130248

Appears in sequences

• Square array T(n, k) = v(k, n)((1)), where v(n, q) = M*v(n-1, q), M = {{0, 1, 0}, {0, 0, 1}, {8*q^3, 6*q, 0}}, with v(0, q) = {1, 1, 1}, read by antidiagonals.at n=47A173747
• a(n) = (n^2 + 4*n + 6) * n^2.at n=18A258402