Triangle read by rows: coefficients of polynomials in Sum_{k = 0..t} k^n * binomial(t,k).

Terms

a(0) =1a(1) =1a(2) =1a(3) =0a(4) =3a(5) =1a(6) =-2a(7) =3a(8) =6a(9) =1a(10) =0a(11) =-10a(12) =15a(13) =10a(14) =1a(15) =16a(16) =-30a(17) =-15a(18) =45a(19) =15a(20) =1a(21) =0a(22) =112a(23) =-210a(24) =35a(25) =105a(26) =21a(27) =1a(28) =-272a(29) =588