a(n) = n! * [x^n] exp(x/(1 - n*x)).

A293146

a(n) = n! * [x^n] exp(x/(1 - n*x)).

Terms

    a(0) =1a(1) =1a(2) =5a(3) =73a(4) =2161a(5) =108101a(6) =8201701a(7) =878797165a(8) =126422091713

External references