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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

%I

%S 2,6,17,26,59,97,191,308,565,915,1606,2598,4436,7178,12037,19476,

%T 32273,52219,85845,138900,227133,367509,598828,968924,1575046,2548478,

%U 4136169,6692462

%N 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).

%F 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]

%K nonn

%O 1,1

%A _Clark Kimberling_

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Last modified September 24 13:41 EDT 2021. Contains 347643 sequences. (Running on oeis4.)