Numbers k such that 305*2^k+1 is prime.

Terms

a(0) =3a(1) =7a(2) =21a(3) =23a(4) =29a(5) =35a(6) =53a(7) =87a(8) =91a(9) =95a(10) =115a(11) =165a(12) =179a(13) =233a(14) =367a(15) =419a(16) =609a(17) =791a(18) =2937a(19) =3713a(20) =4087a(21) =5071a(22) =6497a(23) =30011a(24) =30783a(25) =32861a(26) =48299a(27) =60155a(28) =143623a(29) =293525