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A024310 s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n+1-k), where k=[ (n+1)/2) ], s = (natural numbers >= 2), t = (Lucas numbers). 0
2, 6, 17, 26, 59, 97, 191, 308, 565, 915, 1606, 2598, 4436, 7178, 12037, 19476, 32273, 52219, 85845, 138900, 227133, 367509, 598828, 968924, 1575046, 2548478, 4136169, 6692462 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

FORMULA

G.f.:(-2-x^7+2*x^6-2*x^5+4*x^4+5*x^3-5*x^2-4*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: A069014 A105146 A076660 * A064516 A001441 A204450

Adjacent sequences:  A024307 A024308 A024309 * A024311 A024312 A024313

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified July 30 03:59 EDT 2021. Contains 346348 sequences. (Running on oeis4.)