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A087824 a(n) = number of times n occurs in A087817. 0
2, 2, 3, 4, 1, 5, 2, 6, 3, 7, 4, 1, 8, 5, 2, 9, 6, 3, 10, 1, 7, 4, 11, 2, 8, 5, 12, 3, 9, 6, 13, 4, 10, 7, 14, 5, 11, 8, 15, 1, 1, 6, 12, 9, 16, 2, 2, 7, 13, 10, 17, 3, 3, 8, 14, 11, 18, 4, 4, 9, 15, 12, 19, 5, 5, 10, 16, 13, 20, 6, 1, 6, 11, 17, 14, 21, 7, 2, 7, 12, 18, 15, 22, 1, 8, 3, 8, 13, 19 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

A graph shows this is chaotic. The frequencies of the frequencies are a step down type function: 10,12,11,10,10,10,10,10,10,9,9,8,8,8,8,7,7,6,6,6,6,6,4,4,4,4,4,3,3,3,2,2,2,1,1 unlike A004001 in which the frequencies of the frequencies are powers of 2 stepping down.

LINKS

Table of n, a(n) for n=1..89.

MATHEMATICA

Conway[n_Integer?Positive] := Conway[n] =Conway[Conway[Conway[n-1]]] + Conway[n - Conway[n-1]] Conway[1] = Conway[2] = 1 digits=3000 a=Table[Conway[n], {n, 1, digits}]; mx=Max[a] c=Table[Count[a, m-1, m], {m, 1, mx}] d=Delete[c, 1]

CROSSREFS

Cf. A004004, A005374.

Sequence in context: A288248 A159804 A104567 * A008951 A119473 A002122

Adjacent sequences:  A087821 A087822 A087823 * A087825 A087826 A087827

KEYWORD

nonn

AUTHOR

Roger L. Bagula, Oct 06 2003

STATUS

approved

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Last modified October 15 23:54 EDT 2019. Contains 328038 sequences. (Running on oeis4.)