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A134086 a(n) = [x^n] G(x)^(2^n) where G(x) satisfies: [x^(n+1)] G(x)^(2^n) = [x^n] G(x)^(2^n) for n>=0 and G(2x) is the g.f. of A134084. 5
1, 2, 8, 80, 2464, 255808, 90320512, 108630646016, 451779274750464, 6626041977171637248, 348460175972420307970048, 66523219303893985885632450560, 46531358180797100870477866170818560 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..12.

FORMULA

a(n) = 2^n * A134088(n).

PROG

(PARI) {a(n)=local(A=[1], B); for(i=1, n, A=concat(A, 0); B=Vec(Ser(A)^(2^(#A-2))); A[ #A]=(B[ #B-1]-B[ #B])/2^(#A-2)); Vec(Ser(A)^(2^n))[n+1]}

CROSSREFS

Cf. A134084, A134085, A134087, A134088, A134089.

Sequence in context: A134054 A323716 A229865 * A297566 A013175 A120820

Adjacent sequences:  A134083 A134084 A134085 * A134087 A134088 A134089

KEYWORD

nonn

AUTHOR

Paul D. Hanna, Oct 26 2007

STATUS

approved

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Last modified June 27 10:04 EDT 2022. Contains 354896 sequences. (Running on oeis4.)