Numbers k such that 7*11^k + 2 is prime.

Terms

a(0) =1a(1) =3a(2) =5a(3) =9a(4) =23a(5) =65a(6) =95a(7) =129a(8) =161a(9) =341a(10) =439a(11) =771a(12) =819a(13) =1031a(14) =1099a(15) =1443a(16) =1923a(17) =5793a(18) =15527a(19) =15963a(20) =36827