Triangle t(n,m)= (m+1)^n*binomial(n,m) if m <= n/2, otherwise t(n,m) = t(n,n-m).

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =8a(5) =1a(6) =1a(7) =24a(8) =24a(9) =1a(10) =1a(11) =64a(12) =486a(13) =64a(14) =1a(15) =1a(16) =160a(17) =2430a(18) =2430a(19) =160a(20) =1a(21) =1a(22) =384a(23) =10935a(24) =81920a(25) =10935a(26) =384a(27) =1a(28) =1a(29) =896