1085280domain: NAppears in sequencesa(n) = (n+3)*binomial(n+8, 8)/3.at n=13A053310a(n) = (n+1)*binomial(n+7, 7).at n=13A056001a(n) = binomial(n+3,3)*binomial(n+6,3).at n=15A105939a(n) = (7*n)!/((5*n)!*n!^2).at n=3A273628a(n) = 2*binomial(2*n+4,n)*(n+3)/(n+2).at n=9A383456