269488

Appears in sequences

• Square array T(n,k) (row n, column k) read by antidiagonals defined by: T(n,k) is the permanent of the n X n matrix with 1 on the diagonal and k elsewhere; T(0,k)=1.at n=51A090628
• Triangle read by rows: T(n, k) = n! * 3^k * hypergeom([-k], [-n], -2/3).at n=27A375597