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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 = (odd natural numbers).
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%I #4 Mar 30 2012 18:56:01

%S 3,5,12,16,34,42,77,91,160,184,312,352,587,653,1076,1184,1938,2114,

%T 3445,3731,6064,6528,10592,11344,18387,19605,31756,33728,54610,57802,

%U 93565,98731,159792,168152,272120,285648,462235,484125,783380,818800,1324898,1382210

%N 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 = (odd natural numbers).

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

%K nonn

%O 1,1

%A _Clark Kimberling_