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A067430
Convolution of Fibonacci F(n+1), n>=0, with F(n+7), n>=0.
2
13, 34, 81, 170, 340, 654, 1227, 2258, 4095, 7340, 13032, 22956, 40169, 69890, 121005, 208606, 358268, 613242, 1046535, 1781170, 3024123, 5123104, 8661456, 14616600, 24624325, 41419234, 69568137, 116690258
OFFSET
0,1
FORMULA
a(n)= A067330(n+6, n) = A067418(n+6, 6)= sum(F(k+1)*F(n+7-k), k=0..n), n>=0.
a(n)= ((47*n+65)*F(n+1)+29*(n+1)*F(n))/5, F(n) := A000045(n) (Fibonacci).
G.f.: (13+8*x)/(1-x-x^2)^2.
CROSSREFS
Seventh diagonal of A067330. Seventh column of A067418.
Sequence in context: A081752 A069484 A089113 * A214729 A280322 A262851
KEYWORD
nonn,easy
AUTHOR
Wolfdieter Lang, Feb 15 2002
STATUS
approved