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Search: id:A001145
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| A001145 |
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Describe the previous term! (method A - initial term is 7). |
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+0
12
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| 7, 17, 1117, 3117, 132117, 1113122117, 311311222117, 13211321322117, 1113122113121113222117, 31131122211311123113322117, 132113213221133112132123222117
(list; graph; listen)
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OFFSET
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1,1
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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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J. H. Conway, The weird and wonderful chemistry of audioactive decay, in T. M. Cover and Gopinath, eds., Open Problems in Communication and Computation, Springer, NY 1987, pp. 173-188.
S. R. Finch, Mathematical Constants, Cambridge, 2003, pp. 452-455.
I. Vardi, Computational Recreations in Mathematica. Addison-Wesley, Redwood City, CA, 1991, p. 4.
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LINKS
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S. R. Finch, Conway's Constant
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EXAMPLE
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E.g. the term after 3117 is obtained by saying "one 3, two 1's, one 7", which gives 132117.
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CROSSREFS
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Cf. A001155, A005150, A006751, A006715, A001140, A001141, A001143, A001151, A001154.
Adjacent sequences: A001142 A001143 A001144 this_sequence A001146 A001147 A001148
Sequence in context: A089563 A102266 A113765 this_sequence A093139 A138491 A022511
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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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