Numbers k such that 5^k - 22 is prime.

Terms

a(0) =2a(1) =3a(2) =31a(3) =79a(4) =491a(5) =3019a(6) =3623a(7) =4175a(8) =9957a(9) =21963a(10) =71637a(11) =80551a(12) =80831