2880481

Appears in sequences

• Array T(n,k) = D(2*n, -2*k-1), where D(i,j) are the polysecant numbers, for n,k >= 0, read by antidiagonals.at n=23A353952
• Array T(n,k) = D(2*n, -2*k-1), where D(i,j) are the polysecant numbers, for n,k >= 0, read by antidiagonals.at n=25A353952