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A171206 G.f. satisfies A(x) = 1 + x*A(2x)^6. 6
1, 1, 12, 348, 19744, 2108784, 428817600, 169398274624, 131889504749568, 203937600707475456, 628561895904796999680, 3868208404121906515820544, 47571342639450113377565933568, 1169589733863427138021074362433536 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
PROG
(PARI) {a(n)=local(A=1+x+x*O(x^n)); for(i=0, n, A=1+x*subst(A, x, 2*x)^6); polcoeff(A, n)}
CROSSREFS
Sequence in context: A077296 A080481 A209425 * A219407 A203148 A120813
KEYWORD
nonn
AUTHOR
Paul D. Hanna, Dec 05 2009
STATUS
approved

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Last modified May 18 02:52 EDT 2024. Contains 372617 sequences. (Running on oeis4.)