Expansion of e.g.f. exp(log(1 - x)^2/2)/(1 - x). This is also the transform of the involution numbers given by the signless Stirling cycle numbers.

A323630

Expansion of e.g.f. exp(log(1 - x)^2/2)/(1 - x). This is also the transform of the involution numbers given by the signless Stirling cycle numbers.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =12a(4) =62a(5) =390a(6) =2884a(7) =24472a(8) =234086a(9) =2490030a(10) =29139306a(11) =371878056a(12) =5138306700a(13) =76398336924

External references