A025081 - OEIS

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A025081

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

6, 8, 17, 19, 40, 46, 83, 95, 166, 185, 312, 337, 561, 608, 1000, 1091, 1783, 1914, 3117, 3284, 5335, 5630, 9132, 9674, 15677, 16343, 26470, 27607, 44697, 46688, 75573, 79191, 128165, 135055, 218556, 228235, 369326, 381137, 616728, 636705, 1030248, 1064841

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..42.

CROSSREFS

Sequence in context: A299030 A127400 A315941 * A162951 A032411 A345034

Adjacent sequences: A025078 A025079 A025080 * A025082 A025083 A025084

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved