Numbers k such that 3^k + 8 is prime.

Terms

a(0) =1a(1) =2a(2) =4a(3) =5a(4) =8a(5) =13a(6) =14a(7) =20a(8) =38a(9) =44a(10) =77a(11) =88a(12) =124a(13) =152a(14) =244a(15) =557a(16) =2429a(17) =4382a(18) =6268a(19) =18488a(20) =75097a(21) =81998a(22) =96460a(23) =143497