From a Dirichlet series.

Terms

a(0) =1a(1) =9a(2) =17a(3) =25a(4) =41a(5) =73a(6) =81a(7) =89a(8) =97a(9) =113a(10) =121a(11) =137a(12) =153a(13) =169a(14) =193a(15) =225a(16) =233a(17) =241a(18) =257a(19) =281a(20) =289a(21) =313a(22) =337a(23) =353a(24) =361a(25) =369a(26) =401a(27) =409a(28) =425a(29) =433