Numbers k such that 33*10^k + 7 is prime.

Terms

a(0) =1a(1) =2a(2) =5a(3) =6a(4) =30a(5) =58a(6) =66a(7) =127a(8) =138a(9) =179a(10) =287a(11) =520a(12) =767a(13) =954a(14) =966a(15) =1254a(16) =1313a(17) =1976a(18) =2266a(19) =2496a(20) =3137a(21) =4058a(22) =4411a(23) =7009a(24) =11736a(25) =12155a(26) =21328a(27) =31124a(28) =31589a(29) =38581