A026643 T(n,[ n/2 ]), T given by A026637.

1, 1, 2, 4, 8, 13, 26, 46, 92, 166, 332, 610, 1220, 2269, 4538, 8518, 17036, 32206, 64412, 122464, 244928, 467842, 935684, 1794196, 3588392, 6903352, 13806704, 26635774, 53271548, 103020253, 206040506, 399300166, 798600332

Offset

0,3

Links

Table of n, a(n) for n=0..32.

Crossrefs

Sequence in context: A048328 A094767 A263292 * A288925 A018285 A026665

Adjacent sequences: A026640 A026641 A026642 * A026644 A026645 A026646

Keyword

nonn

Author

Clark Kimberling

Status

approved