

A032114


"BIJ" (reversible, indistinct, labeled) transform of 1,2,3,4...


0



1, 3, 12, 76, 655, 6906, 85204, 1201824, 19071693, 336276370, 6522231826, 138001776936, 3163262495419, 78085513281426, 2065232400748560, 58263438835891456, 1746434237976248665, 55428349087686179682
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OFFSET

1,2


LINKS

Table of n, a(n) for n=1..18.
C. G. Bower, Transforms (2)


FORMULA

E.g.f.: B(A(x)) where B(x) is e.g.f for A001710 and A(x)=x*exp(x).  Geoffrey Critzer, Jun 28 2014


MATHEMATICA

nn=18; a=x Exp[x]; Range[0, nn]!CoefficientList[Series[1/(1x)/2+x/21/2, {x, 0, nn}], x] (* Geoffrey Critzer, Jun 28 2014 *)


CROSSREFS

Sequence in context: A134524 A120591 A247057 * A193162 A060946 A121421
Adjacent sequences: A032111 A032112 A032113 * A032115 A032116 A032117


KEYWORD

nonn


AUTHOR

Christian G. Bower


STATUS

approved



