Numbers k such that 121*2^k+1 is prime.

Terms

a(0) =8a(1) =12a(2) =44a(3) =84a(4) =96a(5) =228a(6) =264a(7) =320a(8) =732a(9) =788a(10) =1808a(11) =7928a(12) =12264a(13) =37784a(14) =59196a(15) =91112a(16) =112208a(17) =168716a(18) =251184a(19) =264632a(20) =272052a(21) =513020a(22) =636564a(23) =674360a(24) =9584444