Triangle T(n,k) = k*A053120(n,k).

Terms

a(0) =1a(1) =0a(2) =4a(3) =-3a(4) =0a(5) =12a(6) =0a(7) =-16a(8) =0a(9) =32a(10) =5a(11) =0a(12) =-60a(13) =0a(14) =80a(15) =0a(16) =36a(17) =0a(18) =-192a(19) =0a(20) =192a(21) =-7a(22) =0a(23) =168a(24) =0a(25) =-560a(26) =0a(27) =448a(28) =0a(29) =-64