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 A067431 Convolution of Fibonacci F(n+1), n>=0, with F(n+8), n>=0. 0
 21, 55, 131, 275, 550, 1058, 1985, 3653, 6625, 11875, 21084, 37140, 64989, 113075, 195775, 337507, 579650, 992182, 1693225, 2881825, 4892861, 8288915, 14013816, 23649000, 39841125, 67014703, 112558715 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 COMMENTS Eighth diagonal of A067330. Eighth column of A067418. LINKS FORMULA a(n)= A067330(n+7, n) = A067418(n+7, 7) = sum(F(k+1)*F(n+8-k), k=0..n), n>=0. G.f.: (21+13*x)/(1-x-x^2)^2. a(n)= ((76*n+5*21)*F(n+1)+47*(n+1)*F(n))/5, F(n) := A000045(n) (Fibonacci); 21=F(8), 76=L(9), 47=L(8), L(n) := A000204(n) (Lucas). CROSSREFS Sequence in context: A144302 A347373 A180674 * A083676 A264104 A236694 Adjacent sequences:  A067428 A067429 A067430 * A067432 A067433 A067434 KEYWORD nonn,easy AUTHOR Wolfdieter Lang, Feb 15 2002 STATUS approved

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Last modified September 26 01:55 EDT 2021. Contains 347664 sequences. (Running on oeis4.)