Numbers k such that 3^k - 26 is prime.

Terms

a(0) =7a(1) =10a(2) =13a(3) =22a(4) =27a(5) =30a(6) =57a(7) =62a(8) =117a(9) =255a(10) =535a(11) =651a(12) =873a(13) =998a(14) =1502a(15) =18145a(16) =22766a(17) =25770a(18) =43558a(19) =45663a(20) =48058a(21) =62887a(22) =87477a(23) =103585a(24) =115802