Numbers k such that (8^k + 7^k)/15 is prime.

Terms

a(0) =7a(1) =13a(2) =31a(3) =43a(4) =269a(5) =353a(6) =383a(7) =619a(8) =829a(9) =877a(10) =4957a(11) =5711a(12) =8317a(13) =21739a(14) =24029a(15) =38299