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A067985
Convolution of L(n+1) := A000204(n+1) (Lucas), n>=0, with L(n+7), n>=0.
0
29, 134, 333, 742, 1520, 2982, 5667, 10534, 19251, 34720, 61956, 109596, 192457, 335878, 583065, 1007498, 1733848, 2973186, 5082159, 8662310, 14726559, 24977924, 42275628, 71413752, 120420725
OFFSET
0,1
COMMENTS
Seventh diagonal of triangle A067979. Seventh column of triangle A067990.
FORMULA
a(n)= sum(L(k+1)*L(n+7-k), k=0..n) = (47*n+29)*F(n+1)+29*(n+1)*F(n), with F(n) := A000045(n) (Fibonacci).
G.f.: (29+18*x)*(1+2*x)/(1-x-x^2)^2.
CROSSREFS
Sequence in context: A044742 A142494 A260260 * A118873 A247874 A162834
KEYWORD
nonn,easy
AUTHOR
Wolfdieter Lang, Feb 15 2002
STATUS
approved