Numbers k such that 22*3^k + 1 is prime.

Terms

a(0) =0a(1) =1a(2) =2a(3) =4a(4) =5a(5) =10a(6) =12a(7) =14a(8) =24a(9) =34a(10) =37a(11) =52a(12) =56a(13) =65a(14) =68a(15) =96a(16) =106a(17) =128a(18) =156a(19) =169a(20) =236a(21) =254a(22) =481a(23) =618a(24) =641a(25) =672a(26) =700a(27) =774a(28) =1274a(29) =1625