a(n) = 4*n^2 + 79*n + 390.

Terms

a(0) =473a(1) =564a(2) =663a(3) =770a(4) =885a(5) =1008a(6) =1139a(7) =1278a(8) =1425a(9) =1580a(10) =1743a(11) =1914a(12) =2093a(13) =2280a(14) =2475a(15) =2678a(16) =2889a(17) =3108a(18) =3335a(19) =3570a(20) =3813a(21) =4064a(22) =4323a(23) =4590a(24) =4865a(25) =5148a(26) =5439a(27) =5738a(28) =6045a(29) =6360