T(n,k) = V(n,k)/k!, where V(n,k) = k^(n*k) - Sum_{t=1..k-1} binomial(k,t)*k^(n*(k-t))*V(n,t) for n, k >= 1; square array T read by upwards antidiagonals.
A342202
T(n,k) = V(n,k)/k!, where V(n,k) = k^(n*k) - Sum_{t=1..k-1} binomial(k,t)*k^(n*(k-t))*V(n,t) for n, k >= 1; square array T read by upwards antidiagonals.
Terms
- a(0) =1a(1) =1a(2) =0a(3) =1a(4) =4a(5) =0a(6) =1a(7) =24a(8) =45a(9) =0a(10) =1a(11) =112a(12) =2268a(13) =816a(14) =0a(15) =1a(16) =480a(17) =76221a(18) =461056a(19) =20225a(20) =0a(21) =1a(22) =1984a(23) =2245320a(24) =152978176a(25) =160977375a(26) =632700a(27) =0a(28) =1a(29) =8064
External references
- oeis: A342202