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A025082
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 = (F(2), F(3), F(4), ...).
0
2, 3, 8, 13, 31, 50, 105, 170, 340, 550, 1058, 1712, 3212, 5197, 9564, 15475, 28065, 45410, 81395, 131700, 233832, 378348, 666468, 1078368, 1886966, 3053175, 5312240, 8595385
OFFSET
1,1
CROSSREFS
Sequence in context: A103196 A113954 A191393 * A317911 A374301 A151889
KEYWORD
nonn
STATUS
approved