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

Terms

a(0) =31a(1) =121a(2) =781a(3) =2801a(4) =16105a(5) =30941a(6) =88741a(7) =137561a(8) =292561a(9) =732541a(10) =954305a(11) =1926221a(12) =2896405a(13) =3500201a(14) =4985761a(15) =8042221a(16) =12326281a(17) =14076605a(18) =20456441a(19) =25774705a(20) =28792661a(21) =39449441a(22) =48037081a(23) =63455221a(24) =89451461a(25) =105101005a(26) =113654321