Triangle read by rows: T(n,k) = n^3*k^3*(n+k)^2, n>=0, 0 <= k <= n.

Terms

a(0) =0a(1) =0a(2) =4a(3) =0a(4) =72a(5) =1024a(6) =0a(7) =432a(8) =5400a(9) =26244a(10) =0a(11) =1600a(12) =18432a(13) =84672a(14) =262144a(15) =0a(16) =4500a(17) =49000a(18) =216000a(19) =648000a(20) =1562500a(21) =0a(22) =10584a(23) =110592a(24) =472392a(25) =1382400a(26) =3267000a(27) =6718464a(28) =0a(29) =21952