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A026680 Sum{T(n-k,k)}, 0<=k<=[ n/2 ], T given by A026670. 0
1, 1, 2, 4, 6, 10, 19, 29, 48, 88, 136, 224, 403, 627, 1030, 1830, 2860, 4690, 8257, 12947, 21204, 37068, 58272, 95340, 165723, 261063, 426786, 738352, 1165138, 1903490, 3279891, 5183381, 8463272, 14532484, 22995756, 37528240 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..35.

CROSSREFS

Sequence in context: A288465 A000067 A133140 * A317639 A164141 A034872

Adjacent sequences:  A026677 A026678 A026679 * A026681 A026682 A026683

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified October 18 00:16 EDT 2018. Contains 316297 sequences. (Running on oeis4.)