Numbers k such that 17*2^k - 1 is prime.

Terms

a(0) =2a(1) =4a(2) =6a(3) =16a(4) =20a(5) =36a(6) =54a(7) =60a(8) =96a(9) =124a(10) =150a(11) =252a(12) =356a(13) =460a(14) =612a(15) =654a(16) =664a(17) =698a(18) =702a(19) =972a(20) =1188a(21) =1312a(22) =3062a(23) =4214a(24) =4288a(25) =5280a(26) =9100a(27) =20262a(28) =21676a(29) =24828