930240domain: NAppears in sequencesa(n) = 10*(n+1)*binomial(n+3,5)/3.at n=15A027790Partial sums of A050483.at n=14A052181a(n) = 288*binomial(2*n,n-5) + 8*Sum_{i=1..n-5} binomial(2*n,n-5-i)*(5+i).at n=9A182026a(n) = Pochhammer(n, 5) / 2.at n=16A293615