a(n) = n^3 + 17.

Terms

a(0) =17a(1) =18a(2) =25a(3) =44a(4) =81a(5) =142a(6) =233a(7) =360a(8) =529a(9) =746a(10) =1017a(11) =1348a(12) =1745a(13) =2214a(14) =2761a(15) =3392a(16) =4113a(17) =4930a(18) =5849a(19) =6876a(20) =8017a(21) =9278a(22) =10665a(23) =12184a(24) =13841a(25) =15642a(26) =17593a(27) =19700a(28) =21969a(29) =24406