a(n) = prime(n) + n^3 + n^2 + 4n - 1.

Terms

a(0) =7a(1) =22a(2) =52a(3) =102a(4) =180a(5) =288a(6) =436a(7) =626a(8) =868a(9) =1168a(10) =1526a(11) =1956a(12) =2458a(13) =3038a(14) =3706a(15) =4468a(16) =5328a(17) =6288a(18) =7362a(19) =8550a(20) =9858a(21) =11298a(22) =12870a(23) =14584a(24) =16446a(25) =18456a(26) =20622a(27) =22954a(28) =25454a(29) =28132