Triangle of coefficients of Bateman polynomial n!Z_n(-x).

Terms

a(0) =1a(1) =1a(2) =2a(3) =2a(4) =12a(5) =6a(6) =6a(7) =72a(8) =90a(9) =20a(10) =24a(11) =480a(12) =1080a(13) =560a(14) =70a(15) =120a(16) =3600a(17) =12600a(18) =11200a(19) =3150a(20) =252a(21) =720a(22) =30240a(23) =151200a(24) =201600a(25) =94500a(26) =16632a(27) =924a(28) =5040a(29) =282240