a(n) = n * (n+1)^2 * (n+2)^3.

Terms

a(0) =0a(1) =108a(2) =1152a(3) =6000a(4) =21600a(5) =61740a(6) =150528a(7) =326592a(8) =648000a(9) =1197900a(10) =2090880a(11) =3480048a(12) =5564832a(13) =8599500a(14) =12902400a(15) =18865920a(16) =26967168a(17) =37779372a(18) =51984000a(19) =70383600a(20) =93915360a(21) =123665388a(22) =160883712a(23) =207000000a(24) =263640000a(25) =332642700