A026680 Sum{T(n-k,k)}, 0<=k<=[ n/2 ], T given by A026670.

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

Offset

0,3

Links

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

Crossrefs

Sequence in context: A000067 A133140 A349592 * A317639 A164141 A034872

Adjacent sequences: A026677 A026678 A026679 * A026681 A026682 A026683

Keyword

nonn

Author

Clark Kimberling

Status

approved