Numbers k such that 155*2^k+1 is prime.

Terms

a(0) =1a(1) =7a(2) =17a(3) =23a(4) =29a(5) =31a(6) =41a(7) =261a(8) =353a(9) =437a(10) =447a(11) =591a(12) =649a(13) =677a(14) =1253a(15) =1301a(16) =2449a(17) =9313a(18) =11749a(19) =16661a(20) =25173a(21) =32887a(22) =38761a(23) =67973a(24) =79557a(25) =149423a(26) =173833a(27) =298679a(28) =336951a(29) =684887