A026874 T(2n,n+3), T given by A026758.

1, 8, 46, 233, 1109, 5102, 23020, 102718, 455608, 2015496, 8912244, 39452385, 175026904, 778762339, 3476922430, 15581908258, 70108401416, 316728595048, 1436752952543, 6543920192177, 29923907812601, 137363507432013, 632899405886519

Offset

3,2

Links

Table of n, a(n) for n=3..25.

Crossrefs

Sequence in context: A197238 A182542 A026843 * A190866 A026867 A026885

Adjacent sequences: A026871 A026872 A026873 * A026875 A026876 A026877

Keyword

nonn

Author

Clark Kimberling

Status

approved