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A134088 a(n) = [x^n] G(x)^(2^n)/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, 1, 2, 10, 154, 7994, 1411258, 848676922, 1764762791994, 12941488236663354, 340293140598066707002, 32482040675729485295718970, 11360194868358667204706510295610 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

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

FORMULA

a(n) = A134086(n)/2^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]/2^n}

CROSSREFS

Cf. A134084, A134085, A134086, A134087, A134089.

Sequence in context: A165940 A007080 A231517 * A076659 A197313 A294352

Adjacent sequences:  A134085 A134086 A134087 * A134089 A134090 A134091

KEYWORD

nonn

AUTHOR

Paul D. Hanna, Oct 26 2007

STATUS

approved

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Last modified October 17 21:37 EDT 2019. Contains 328134 sequences. (Running on oeis4.)