94380domain: NAppears in sequencesa(n) = 5*(n+1)*binomial(n+3,6).at n=7A027791a(n) = 12*(n+1)*binomial(n+3,9).at n=4A027794a(n) = (n-3)*(n-2)^2*(n-1)^2*n/24.at n=12A292061