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A113663
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Self-convolution cube of A113669, where a(n) = A113669(n+1)/(n+1).
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7
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1, 3, 21, 226, 3216, 56229, 1158249, 27367560, 728245038, 21531918486, 700096811670, 24826071871890, 953594302010230, 39446976470619801, 1748616265593936681, 82701936091459565976, 4157268410857737364182
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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FORMULA
| G.f. satisfies: A(x) = (1 + x*d/dx[x*A(x)] )^3.
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PROG
| (PARI) {a(n)=local(A=1+x*O(x^n)); for(i=1, n, A=(1+x*deriv(x*A))^3); polcoeff(A, n, x)}
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CROSSREFS
| Cf. A113669, A113662, A113664, A113665, A113666, A113667, A113668.
Sequence in context: A032033 A099121 A107864 * A082545 A074638 A097329
Adjacent sequences: A113660 A113661 A113662 * A113664 A113665 A113666
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KEYWORD
| nonn
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AUTHOR
| Paul D. Hanna (pauldhanna(AT)juno.com), Nov 04 2005
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