Triangular array of the coefficients of the sequence of Abel polynomials A(n,x) := x*(x-n)^(n-1).

Terms

a(0) =1a(1) =0a(2) =1a(3) =0a(4) =-2a(5) =1a(6) =0a(7) =9a(8) =-6a(9) =1a(10) =0a(11) =-64a(12) =48a(13) =-12a(14) =1a(15) =0a(16) =625a(17) =-500a(18) =150a(19) =-20a(20) =1a(21) =0a(22) =-7776a(23) =6480a(24) =-2160a(25) =360a(26) =-30a(27) =1a(28) =0a(29) =117649