Numbers n such that 6*10^n+7 is prime.

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =8a(5) =9a(6) =19a(7) =58a(8) =121a(9) =187a(10) =806a(11) =855a(12) =1019a(13) =2593a(14) =2749a(15) =3016a(16) =4295a(17) =9664a(18) =14927a(19) =34562a(20) =64387a(21) =71299a(22) =71951