a(n) = 163 + 1053*n + 2520*n^2 + 2646*n^3 + 1029*n^4.

Terms

a(0) =163a(1) =7411a(2) =49981a(3) =180793a(4) =477463a(5) =1042303a(6) =2002321a(7) =3509221a(8) =5739403a(9) =8893963a(10) =13198693a(11) =18904081a(12) =26285311a(13) =35642263a(14) =47299513a(15) =61606333a(16) =78936691a(17) =99689251a(18) =124287373a(19) =153179113a(20) =186837223a(21) =225759151a(22) =270467041a(23) =321507733