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A024315 a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (natural numbers >= 3), t = (Fibonacci numbers). 0
3, 6, 17, 27, 59, 96, 185, 299, 540, 874, 1518, 2456, 4163, 6736, 11239, 18185, 30029, 48588, 79685, 128933, 210490, 340580, 554332, 896928, 1456915, 2357338, 3824013, 6187383 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..28.

FORMULA

G.f.:(-3+2*x^6+x^5+4*x^4+2*x^3-2*x^2-3*x)/((x^2+x-1)*(x^4+x^2-1)^2) [From Maksym Voznyy (voznyy(AT)mail.ru), Jul 27 2009]

CROSSREFS

Sequence in context: A063618 A217084 A024823 * A235088 A327068 A307604

Adjacent sequences:  A024312 A024313 A024314 * A024316 A024317 A024318

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified January 18 19:32 EST 2020. Contains 331029 sequences. (Running on oeis4.)