Numbers k such that (5*3^k - 7)/2 is prime.

Terms

a(0) =2a(1) =4a(2) =16a(3) =24a(4) =32a(5) =40a(6) =120a(7) =124a(8) =144a(9) =172a(10) =186a(11) =376a(12) =700a(13) =1232a(14) =1264a(15) =2894a(16) =5054a(17) =14826a(18) =16498a(19) =18348a(20) =33416a(21) =58082a(22) =59972a(23) =64290a(24) =103662