Numbers k such that (746*10^k + 1)/9 is prime.

Terms

a(0) =0a(1) =1a(2) =3a(3) =4a(4) =12a(5) =16a(6) =27a(7) =39a(8) =190a(9) =192a(10) =327a(11) =378a(12) =444a(13) =958a(14) =1779a(15) =2809a(16) =3396a(17) =3844a(18) =4441a(19) =4452a(20) =9324a(21) =29007a(22) =29464a(23) =99303a(24) =100827a(25) =106618a(26) =107505