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- Look-and-say_sequence abstract "In mathematics, the look-and-say sequence is the sequence of integers beginning as follows: 1, 11, 21, 1211, 111221, 312211, 13112221, 1113213211, ... (sequence A005150 in OEIS).To generate a member of the sequence from the previous member, read off the digits of the previous member, counting the number of digits in groups of the same digit. For example: 1 is read off as \"one 1\" or 11. 11 is read off as \"two 1s\" or 21. 21 is read off as \"one 2, then one 1\" or 1211. 1211 is read off as \"one 1, then one 2, then two 1s\" or 111221. 111221 is read off as \"three 1s, then two 2s, then one 1\" or 312211.The look-and-say sequence was introduced and analyzed by John Conway.The idea of the look-and-say sequence is similar to that of run-length encoding.If we start with any digit d from 0 to 9 then d will remain indefinitely as the last digit of the sequence. For d different from 1, the sequence starts as follows: d, 1d, 111d, 311d, 13211d, 111312211d, 31131122211d, …Ilan Vardi has called this sequence, starting with d = 3, the Conway sequence (sequence A006715 in OEIS). (for d = 2, see OEIS A006751)".
- Look-and-say_sequence thumbnail Conways_constant.svg?width=300.
- Look-and-say_sequence wikiPageExternalLink watch?v=ea7lJkEhytA.
- Look-and-say_sequence wikiPageExternalLink a-derivation-of-conways-degree-71-look-and-say-polynomial.
- Look-and-say_sequence wikiPageExternalLink lookandsay.
- Look-and-say_sequence wikiPageExternalLink looknsay.htm.
- Look-and-say_sequence wikiPageID "563980".
- Look-and-say_sequence wikiPageLength "8996".
- Look-and-say_sequence wikiPageOutDegree "27".
- Look-and-say_sequence wikiPageRevisionID "701259449".
- Look-and-say_sequence wikiPageWikiLink Algebraic_number.
- Look-and-say_sequence wikiPageWikiLink Autogram.
- Look-and-say_sequence wikiPageWikiLink Category:Algebraic_numbers.
- Look-and-say_sequence wikiPageWikiLink Category:Base-dependent_integer_sequences.
- Look-and-say_sequence wikiPageWikiLink Category:Mathematical_constants.
- Look-and-say_sequence wikiPageWikiLink Chemical_element.
- Look-and-say_sequence wikiPageWikiLink Clifford_Stoll.
- Look-and-say_sequence wikiPageWikiLink Decimal.
- Look-and-say_sequence wikiPageWikiLink Degeneracy_(mathematics).
- Look-and-say_sequence wikiPageWikiLink Integer_sequence.
- Look-and-say_sequence wikiPageWikiLink John_Horton_Conway.
- Look-and-say_sequence wikiPageWikiLink Kolakoski_sequence.
- Look-and-say_sequence wikiPageWikiLink Limit_(mathematics).
- Look-and-say_sequence wikiPageWikiLink Mathematical_constant.
- Look-and-say_sequence wikiPageWikiLink Mathematics.
- Look-and-say_sequence wikiPageWikiLink Periodic_sequence.
- Look-and-say_sequence wikiPageWikiLink Pigeonhole_principle.
- Look-and-say_sequence wikiPageWikiLink Polynomial.
- Look-and-say_sequence wikiPageWikiLink Radix.
- Look-and-say_sequence wikiPageWikiLink Robert_Morris_(cryptographer).
- Look-and-say_sequence wikiPageWikiLink Run-length_encoding.
- Look-and-say_sequence wikiPageWikiLink The_Cuckoos_Egg.
- Look-and-say_sequence wikiPageWikiLink Transuranium_element.
- Look-and-say_sequence wikiPageWikiLink Zero_of_a_function.
- Look-and-say_sequence wikiPageWikiLink File:Conway_constant.png.
- Look-and-say_sequence wikiPageWikiLink File:Conways_constant.svg.
- Look-and-say_sequence wikiPageWikiLinkText "Look-and-say sequence".
- Look-and-say_sequence wikiPageWikiLinkText "Look-and-say sequence#Popularization".
- Look-and-say_sequence wikiPageWikiLinkText "look-and-say sequence".
- Look-and-say_sequence name "Decimal expansion of Conway's constant".
- Look-and-say_sequence sequencenumber "A014715".
- Look-and-say_sequence title "Look and Say Sequence".
- Look-and-say_sequence urlname "LookandSaySequence".
- Look-and-say_sequence wikiPageUsesTemplate Template:Algebraic_numbers.
- Look-and-say_sequence wikiPageUsesTemplate Template:MathWorld.
- Look-and-say_sequence wikiPageUsesTemplate Template:OEIS.
- Look-and-say_sequence wikiPageUsesTemplate Template:Oeis.
- Look-and-say_sequence wikiPageUsesTemplate Template:SloanesRef.
- Look-and-say_sequence wikiPageUsesTemplate Template:Unreferenced_section.
- Look-and-say_sequence subject Category:Algebraic_numbers.
- Look-and-say_sequence subject Category:Base-dependent_integer_sequences.
- Look-and-say_sequence subject Category:Mathematical_constants.
- Look-and-say_sequence hypernym Sequence.
- Look-and-say_sequence type Redirect.
- Look-and-say_sequence comment "In mathematics, the look-and-say sequence is the sequence of integers beginning as follows: 1, 11, 21, 1211, 111221, 312211, 13112221, 1113213211, ... (sequence A005150 in OEIS).To generate a member of the sequence from the previous member, read off the digits of the previous member, counting the number of digits in groups of the same digit. For example: 1 is read off as \"one 1\" or 11. 11 is read off as \"two 1s\" or 21. 21 is read off as \"one 2, then one 1\" or 1211.".
- Look-and-say_sequence label "Look-and-say sequence".
- Look-and-say_sequence sameAs Q1129511.
- Look-and-say_sequence sameAs Conway-Folge.
- Look-and-say_sequence sameAs Vico_de_Conway.
- Look-and-say_sequence sameAs Constante_de_Conway.
- Look-and-say_sequence sameAs Suite_de_Conway.
- Look-and-say_sequence sameAs סדרת_קונוויי.
- Look-and-say_sequence sameAs Costante_di_Conway.
- Look-and-say_sequence sameAs 읽고_말하기_수열.
- Look-and-say_sequence sameAs Rij_van_Conway.
- Look-and-say_sequence sameAs m.02qg64.
- Look-and-say_sequence sameAs Conwayjevo_zaporedje.
- Look-and-say_sequence sameAs Q1129511.
- Look-and-say_sequence sameAs 外觀數列.
- Look-and-say_sequence wasDerivedFrom Look-and-say_sequence?oldid=701259449.
- Look-and-say_sequence depiction Conways_constant.svg.
- Look-and-say_sequence isPrimaryTopicOf Look-and-say_sequence.