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

A203039

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

Terms

    a(0) =1a(1) =4a(2) =54a(3) =1528a(4) =74200a(5) =5513088a(6) =581644210a(7) =82684556736

External references