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URL: https://oeis.org/A032052

⇱ A032052 - OEIS

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A032052
"BGJ" (reversible, element, labeled) transform of 2,2,2,2...
1
1, 2, 4, 14, 96, 362, 3886, 25286, 151808, 2489450, 14280474, 124799006, 1960723254, 20231550926, 156250567050, 1461001415354, 40509753514368, 310787396790506, 3485943793554442, 33604044850975838
OFFSET
0,2
LINKS
C. G. Bower, Transforms (2)
PROG
(PARI) seq(n)=[subst(serlaplace(y^0*p + polcoeff(p, 1)), y, 1)/2 | p <- Vec(y-1+serlaplace(prod(k=1, n, 1 + x^k*y/k! + O(x*x^n))^2))] \\ Andrew Howroyd, Sep 12 2018
CROSSREFS
Sequence in context: A166894 A232108 A339651 * A005737 A219767 A005743
KEYWORD
nonn
EXTENSIONS
a(0)=1 prepended by Andrew Howroyd, Sep 12 2018
STATUS
approved