a(n) = n^4 + 8*n^3 + 20*n^2 + 16*n + 2.

Terms

a(0) =2a(1) =47a(2) =194a(3) =527a(4) =1154a(5) =2207a(6) =3842a(7) =6239a(8) =9602a(9) =14159a(10) =20162a(11) =27887a(12) =37634a(13) =49727a(14) =64514a(15) =82367a(16) =103682a(17) =128879a(18) =158402a(19) =192719a(20) =232322a(21) =277727a(22) =329474a(23) =388127a(24) =454274a(25) =528527a(26) =611522a(27) =703919a(28) =806402a(29) =919679