A050063 a(n)=a(n-1)+a(m), where m=2n-2-2^(p+1) and 2^p<n-1<=2^(p+1), for n >= 4.

1, 3, 2, 5, 10, 13, 18, 31, 62, 65, 70, 83, 114, 179, 262, 441, 882, 885, 890, 903, 934, 999, 1082, 1261, 1702, 2587, 3490, 4489, 5750, 8337, 12826, 21163, 42326, 42329, 42334, 42347, 42378, 42443, 42526, 42705, 43146, 44031

Offset

1,2

Links

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

Mathematica

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

Crossrefs

Cf. A050027, A050031, A050035, A050039, A050043, A050047, A050051, A050055, A050059, A050067, A050071 (similar, but with different initial conditions).

Sequence in context: A049920 A257981 A128914 * A274761 A100885 A209199

Adjacent sequences: A050060 A050061 A050062 * A050064 A050065 A050066

Keyword

nonn

Author

Clark Kimberling

Status

approved