8576568domain: NAppears in sequencesa(n) = 14*(n+1)*binomial(n+5,8).at n=10A027813a(n) = Sum_{k = 0..n-1} (-1)^k*binomial(n,k)^2*binomial(n-1,k).at n=12A361716a(n) = (1/2) * (3*n)! / n!^3 for n > 0, a(0) = 1.at n=6A386876