A026080 Sum{T(n,k)}, k = 0,1,...,n, where T is the array defined in A024996.

1, 2, 4, 7, 22, 64, 191, 567, 1689, 5033, 15013, 44809, 133816, 399802, 1194949, 3572693, 10684758, 31962456, 95633229, 286193409, 856610214, 2564317356, 7677475521, 22988860305, 68843627049, 206183053485, 617563017927, 1849887488987

Offset

0,2

Links

Table of n, a(n) for n=0..27.

Crossrefs

First differences of A027914.

Sequence in context: A091833 A171978 A290571 * A071795 A059501 A353986

Adjacent sequences: A026077 A026078 A026079 * A026081 A026082 A026083

Keyword

nonn

Author

Clark Kimberling

Status

approved