Integers k such that 10^k + 67 is a prime number.

Terms

a(0) =2a(1) =4a(2) =14a(3) =26a(4) =36a(5) =60a(6) =150a(7) =410a(8) =484a(9) =972a(10) =1942a(11) =3694a(12) =6926a(13) =8582a(14) =11930a(15) =16076a(16) =16276a(17) =22820