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A113666
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Self-convolution 6-th power of A113672, where a(n) = A113672(n+1)/(n+1).
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7
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1, 6, 87, 1946, 57429, 2075376, 88058362, 4272270786, 232769956974, 14056832143770, 931523802358452, 67202173618455120, 5243275012537211083, 439986956480236610424, 39519795153012732250740
(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)] )^6.
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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))^6); polcoeff(A, n, x)}
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CROSSREFS
| Cf. A113672, A113662, A113663, A113664, A113665, A113667, A113668.
Sequence in context: A177570 A047786 A181271 * A123544 A138216 A171207
Adjacent sequences: A113663 A113664 A113665 * A113667 A113668 A113669
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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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