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A113667 Self-convolution 7th power of A113673, where a(n) = A113673(n+1)/(n+1). 7
1, 7, 119, 3122, 108031, 4575543, 227428166, 12920344256, 823981508700, 58224680389435, 4513525625433076, 380801193456921958, 34738963053424196609, 3407790141561016562022, 357764735284328750251272 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..14.

FORMULA

G.f. satisfies: A(x) = (1 + x*d/dx[x*A(x)] )^7.

PROG

(PARI) {a(n)=local(A=1+x*O(x^n)); for(i=1, n, A=(1+x*deriv(x*A))^7); polcoeff(A, n, x)}

CROSSREFS

Cf. A113673, A113662, A113663, A113664, A113665, A113666, A113668.

Sequence in context: A221323 A268300 A304917 * A192565 A171209 A296731

Adjacent sequences:  A113664 A113665 A113666 * A113668 A113669 A113670

KEYWORD

nonn

AUTHOR

Paul D. Hanna, Nov 04 2005

STATUS

approved

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Last modified October 14 18:28 EDT 2019. Contains 328022 sequences. (Running on oeis4.)