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Search: id:A006711
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| A006711 |
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Describe previous term from the right (method A - initial term is 1).
(Formerly M4778)
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+0
26
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| 1, 11, 21, 1112, 1231, 11131211, 2112111331, 112331122112, 12212221231221, 11221113121132112211, 212221121321121113312221, 113211233112211213111221321112
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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Method A = 'frequency' followed by 'digit'-indication.
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REFERENCES
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Akhlesh Lakhtakia and C. A. Pickover, Observations on the Gleichniszahlen-Reihe: An Unusual Number Theory Sequence, J. Rec. Math., Vol. 25 #3, pp. 189-192, 1993.
J. H. Conway, personal communication.
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EXAMPLE
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E.g. the term after 1231 is obtained by saying "one 1, one 3, one 2, one 1", which gives 11131211.
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CROSSREFS
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Cf. A005150, A022506, A022482, A022507-A022513.
Adjacent sequences: A006708 A006709 A006710 this_sequence A006712 A006713 A006714
Sequence in context: A123783 A092806 A138485 this_sequence A005151 A098155 A098154
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KEYWORD
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nonn,base,easy,nice
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AUTHOR
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njas
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