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A001155 Describe the previous term! (method A - initial term is 0). +0
13
0, 10, 1110, 3110, 132110, 1113122110, 311311222110, 13211321322110, 1113122113121113222110, 31131122211311123113322110, 132113213221133112132123222110 (list; graph; listen)
OFFSET

1,2

COMMENT

Method A = 'frequency' followed by 'digit'-indication.

REFERENCES

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.

LINKS

S. R. Finch, Conway's Constant

EXAMPLE

E.g. the term after 3110 is obtained by saying "one 3, two 1's, one 0", which gives 132110.

CROSSREFS

Cf. A005150, A006751, A006715, A001140, A001141, A001143, A001145, A001151, A001154.

Cf. A036058.

Adjacent sequences: A001152 A001153 A001154 this_sequence A001156 A001157 A001158

Sequence in context: A122230 A138147 A036058 this_sequence A001391 A049064 A015026

KEYWORD

nonn,base,easy,nice

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified November 7 16:45 EST 2009. Contains 166093 sequences.


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