Numbers k such that 5*7^k + 6 is prime.

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =4a(5) =12a(6) =23a(7) =66a(8) =69a(9) =98a(10) =139a(11) =235a(12) =243a(13) =253a(14) =269a(15) =283a(16) =932a(17) =1603a(18) =3066a(19) =5509a(20) =7539a(21) =8117a(22) =8168a(23) =15736a(24) =22867