Numbers n such that 3^9*2^n - 1 is prime.

Terms

a(0) =4a(1) =7a(2) =19a(3) =22a(4) =32a(5) =46a(6) =50a(7) =62a(8) =83a(9) =103a(10) =124a(11) =142a(12) =190a(13) =230a(14) =256a(15) =260a(16) =422a(17) =596a(18) =1084a(19) =2270a(20) =2770a(21) =5366a(22) =5434a(23) =5762a(24) =6826a(25) =9239a(26) =15211a(27) =22556a(28) =58790a(29) =81319