Triangle T[r,c]=(r-1)*binomial(r-1,c-1)*(c-1)!*A093883(c), read by rows.

Terms

a(0) =0a(1) =1a(2) =3a(3) =2a(4) =12a(5) =240a(6) =3a(7) =27a(8) =1080a(9) =226800a(10) =4a(11) =48a(12) =2880a(13) =1209600a(14) =3657830400a(15) =5a(16) =75a(17) =6000a(18) =3780000a(19) =22861440000a(21) =6a(22) =108a(23) =10800a(24) =9072000a(25) =82301184000