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A067987
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Convolution of L(n+1) := A000204(n+1) (Lucas), n>=0, with L(n+9), n>=0.
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0
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76, 351, 872, 1943, 3980, 7808, 14838, 27581, 50404, 90905, 162214, 286944, 503888, 879387, 1526560, 2637787, 4539472, 7784224, 13305786, 22679065, 38555996, 65395261, 110682602, 186969408, 315274900
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OFFSET
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0,1
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COMMENTS
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LINKS
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FORMULA
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a(n)= sum(L(k+1)*L(n+9-k), k=0..n) = (123*n+76)*F(n+1)+76*(n+1)*F(n), with F(n) := A000045(n) (Fibonacci).
G.f.: (76+47*x)*(1+2*x)/(1-x-x^2)^2.
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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