Numbers k such that (2^k - k - 1)*2^k + 1 is prime.

Terms

a(0) =2a(1) =7a(2) =11a(3) =13a(4) =14a(5) =20a(6) =37a(7) =53a(8) =71a(9) =132a(10) =140a(11) =613a(12) =641a(13) =665a(14) =757a(15) =788a(16) =1878a(17) =6774a(18) =8777a(19) =14575a(20) =20917a(21) =22352a(22) =35828a(23) =82435