Numbers k such that (76*10^k + 77)/9 is prime.

Terms

a(0) =0a(1) =2a(2) =5a(3) =9a(4) =24a(5) =50a(6) =63a(7) =98a(8) =117a(9) =164a(10) =932a(11) =1086a(12) =3465a(13) =5706a(14) =6311a(15) =6440a(16) =8985a(17) =10397a(18) =14157a(19) =23528a(20) =100611a(21) =144648a(22) =164984