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A171202 G.f. satisfies: A(x) = 1 + x*A(2x)^4. 3
1, 1, 8, 152, 5664, 399376, 53846016, 14141384704, 7330134466560, 7551251740344320, 15510852680588984320, 63626087316632048238592, 521607805205244557347782656, 8549156556447111748331767857152 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..13.

PROG

(PARI) {a(n)=local(A=1+x+x*O(x^n)); for(i=0, n, A=1+x*subst(A, x, 2*x)^4); polcoeff(A, n)}

CROSSREFS

Cf. A135867, A171200, A171201, A171203, A171204-A171211.

Sequence in context: A059510 A264708 A094059 * A247538 A304400 A174845

Adjacent sequences:  A171199 A171200 A171201 * A171203 A171204 A171205

KEYWORD

nonn

AUTHOR

Paul D. Hanna, Dec 05 2009

STATUS

approved

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Last modified January 27 06:18 EST 2022. Contains 350601 sequences. (Running on oeis4.)