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A026643 T(n,[ n/2 ]), T given by A026637. 0
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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified July 13 07:30 EDT 2020. Contains 335676 sequences. (Running on oeis4.)