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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 (list; graph; refs; listen; history; text; internal format)
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/(1-x)/2+x/2-1/2, {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

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Last modified December 10 02:32 EST 2018. Contains 318036 sequences. (Running on oeis4.)