A025103 a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (composite numbers), t = (F(2), F(3), F(4), ...).

8, 12, 38, 62, 140, 226, 438, 709, 1277, 2066, 3595, 5817, 9888, 15999, 26712, 43221, 71357, 115458, 189407, 306467, 500534, 809881, 1318332, 2133106, 3464858, 5606258, 9094804

Offset

1,1

Links

Table of n, a(n) for n=1..27.

Crossrefs

Sequence in context: A341781 A282943 A024604 * A307652 A281663 A092179

Adjacent sequences: A025100 A025101 A025102 * A025104 A025105 A025106

Keyword

nonn

Author

Clark Kimberling

Status

approved