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A050064 a(n) = a(n-1)+a(m), where m=2n-3-2^(p+1) and 2^p<n-1<=2^(p+1), for n >= 4. 10
1, 3, 3, 4, 7, 8, 11, 18, 29, 30, 33, 40, 51, 80, 113, 164, 277, 278, 281, 288, 299, 328, 361, 412, 525, 802, 1083, 1382, 1743, 2268, 3351, 5094, 8445, 8446, 8449, 8456, 8467, 8496, 8529, 8580, 8693, 8970, 9251, 9550, 9911, 10436 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Variant of A050032 or A050048. - R. J. Mathar, Oct 15 2008

LINKS

Ivan Neretin, Table of n, a(n) for n = 1..8193

MATHEMATICA

Fold[Append[#1, #1[[-1]] + #1[[#2]]] &, {1, 3, 3}, Flatten@Table[2 k - 1, {n, 5}, {k, 2^n}]] (* Ivan Neretin, Sep 07 2015 *)

CROSSREFS

Cf. similar sequences with different initial conditions: A050024 (1,1,1), A050028 (1,1,2), A050032 (1,1,3), A050036 (1,1,4), A050040 (1,2,1), A050044 (1,2,2), A050048 (1,2,3), A050052 (1,2,4), A050056 (1,3,1), A050060 (1,3,2), A050068 (1,3,4).

Sequence in context: A152651 A091973 A050066 * A137894 A087329 A298914

Adjacent sequences:  A050061 A050062 A050063 * A050065 A050066 A050067

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified April 19 08:34 EDT 2019. Contains 322241 sequences. (Running on oeis4.)