Triangle T(n, k, m) = round( t(n,m)/(t(k,m)*t(n-k,m)) ), with T(0, k, m) = 1, where t(n, k) = Product_{j=1..n} A129862(k+1, j), t(n, 0) = n!, and m = 4, read by rows.

A156610

Triangle T(n, k, m) = round( t(n,m)/(t(k,m)*t(n-k,m)) ), with T(0, k, m) = 1, where t(n, k) = Product_{j=1..n} A129862(k+1, j), t(n, 0) = n!, and m = 4, read by rows.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =-3a(5) =1a(6) =1a(7) =9a(8) =9a(9) =1a(10) =1a(11) =-21a(12) =63a(13) =-21a(14) =1a(15) =1a(16) =54a(17) =378a(18) =378a(19) =54a(20) =1a(21) =1a(22) =-141a(23) =2538a(24) =-5922a(25) =2538a(26) =-141a(27) =1a(28) =1a(29) =369

External references