Generalized Stirling number triangle of first kind.

Terms

a(0) =1a(1) =-6a(2) =1a(3) =42a(4) =-13a(5) =1a(6) =-336a(7) =146a(8) =-21a(9) =1a(10) =3024a(11) =-1650a(12) =335a(13) =-30a(14) =1a(15) =-30240a(16) =19524a(17) =-5000a(18) =635a(19) =-40a(20) =1a(21) =332640a(22) =-245004a(23) =74524a(24) =-11985a(25) =1075a(26) =-51a(27) =1a(28) =-3991680a(29) =3272688