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A024459 s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n+1-k), where k = [ (n+1)/2 ], s = (Fibonacci numbers), t = (Lucas numbers). 0
1, 3, 7, 11, 26, 43, 90, 145, 290, 470, 904, 1462, 2743, 4439, 8169, 13217, 23970, 38785, 69520, 112485, 199716, 323148, 569232, 921036, 1611661, 2607723, 4537195, 7341335 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

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

FORMULA

Concecture: G.f.: x*(-1-2*x-x^2+3*x^3) / ( (x^2+1)*(x^2-x-1)*(x^2+x-1)^2 ). - R. J. Mathar, Apr 27 2020

CROSSREFS

Sequence in context: A336897 A316962 A092284 * A001645 A103798 A093361

Adjacent sequences:  A024456 A024457 A024458 * A024460 A024461 A024462

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified February 27 07:53 EST 2021. Contains 341649 sequences. (Running on oeis4.)