Numbers k such that 2*3^k + 5 is prime.

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =4a(5) =5a(6) =8a(7) =9a(8) =22a(9) =23a(10) =28a(11) =37a(12) =49a(13) =53a(14) =59a(15) =74a(16) =83a(17) =149a(18) =183a(19) =577a(20) =993a(21) =1335a(22) =1777a(23) =7077a(24) =8518a(25) =8775a(26) =12193a(27) =20225a(28) =21544