Triangle read by rows: T(n,m) = (m+1)^n*m^(n*(n-1)/2).

Terms

a(0) =1a(1) =1a(2) =2a(3) =1a(4) =4a(5) =18a(6) =1a(7) =8a(8) =216a(9) =1728a(10) =1a(11) =16a(12) =5184a(13) =186624a(14) =2560000a(15) =1a(16) =32a(17) =248832a(18) =60466176a(19) =3276800000a(20) =75937500000a(21) =1a(22) =64a(23) =23887872a(24) =58773123072a(28) =1a(29) =128a(30) =4586471424