Numbers k such that 161*2^k-1 is prime.

Terms

a(0) =2a(1) =6a(2) =18a(3) =22a(4) =34a(5) =54a(6) =98a(7) =122a(8) =146a(9) =222a(10) =306a(11) =422a(12) =654a(13) =682a(14) =862a(15) =1010a(16) =1346a(17) =1582a(18) =7890a(19) =9714a(20) =12498a(21) =21742a(22) =27810a(23) =34798a(24) =74382a(25) =97746a(26) =205370a(27) =249710a(28) =371426a(29) =394974