2134440

Appears in sequences

• Square array read by ascending antidiagonals: T(n,k) = F(n) * (4*k)!/(k!*(k + n + 1)!^3), where F(n) = (1/8)*(4*n + 4)!/(n + 1)!; n, k >= 0.at n=18A361032
• a(n) = 9979200 * (4*n)!/(n!*(n+3)!^3).at n=3A361035