A171202 G.f. satisfies A(x) = 1 + x*A(2x)^4.

1, 1, 8, 152, 5664, 399376, 53846016, 14141384704, 7330134466560, 7551251740344320, 15510852680588984320, 63626087316632048238592, 521607805205244557347782656, 8549156556447111748331767857152

Offset

0,3

Links

Seiichi Manyama, Table of n, a(n) for n = 0..80

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, A343439.

Sequence in context: A059510 A264708 A094059 * A247538 A360575 A304400

Adjacent sequences: A171199 A171200 A171201 * A171203 A171204 A171205

Keyword

nonn

Author

Paul D. Hanna, Dec 05 2009

Status

approved