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A024592
a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n+1-k), where k = [ (n+1)/2 ], s = (F(2), F(3), ...), t = (odd natural numbers).
0
1, 3, 11, 17, 38, 50, 97, 119, 213, 251, 432, 496, 833, 939, 1555, 1729, 2838, 3122, 5097, 5559, 9045, 9795, 15904, 17120, 27761, 29731, 48171, 51361, 83174, 88338, 143009, 151367, 244997, 258523, 418384, 440272, 712465, 747883, 1210195, 1267505
OFFSET
1,2
FORMULA
G.f.:(1-3*x^7+x^6-6*x^5+2*x^4-4*x^3+4*x^2+x)/((x-1)^2*(x^4+x^2-1)^2) [From Maksym Voznyy (voznyy(AT)mail.ru), Jul 27 2009]
CROSSREFS
Sequence in context: A154934 A302872 A023865 * A203162 A240084 A100567
KEYWORD
nonn
STATUS
approved