Numbers k such that 249*2^k+1 is prime.

Terms

a(0) =1a(1) =2a(2) =3a(3) =6a(4) =7a(5) =10a(6) =14a(7) =15a(8) =23a(9) =34a(10) =43a(11) =50a(12) =59a(13) =79a(14) =111a(15) =114a(16) =127a(17) =142a(18) =143a(19) =145a(20) =154a(21) =159a(22) =181a(23) =187a(24) =342a(25) =474a(26) =490a(27) =510a(28) =766a(29) =789