Odious primes: primes with odd number of 1's in binary expansion.

Terms

a(0) =2a(1) =7a(2) =11a(3) =13a(4) =19a(5) =31a(6) =37a(7) =41a(8) =47a(9) =59a(10) =61a(11) =67a(12) =73a(13) =79a(14) =97a(15) =103a(16) =107a(17) =109a(18) =127a(19) =131a(20) =137a(21) =151a(22) =157a(23) =167a(24) =173a(25) =179a(26) =181a(27) =191a(28) =193a(29) =199