Numbers divisible only by primes congruent to 1 mod 8.

Terms

a(0) =1a(1) =17a(2) =41a(3) =73a(4) =89a(5) =97a(6) =113a(7) =137a(8) =193a(9) =233a(10) =241a(11) =257a(12) =281a(13) =289a(14) =313a(15) =337a(16) =353a(17) =401a(18) =409a(19) =433a(20) =449a(21) =457a(22) =521a(23) =569a(24) =577a(25) =593a(26) =601a(27) =617a(28) =641a(29) =673