Numbers k such that 7*10^k - 83 is prime.

Terms

a(0) =2a(1) =3a(2) =11a(3) =15a(4) =23a(5) =26a(6) =46a(7) =68a(8) =76a(9) =111a(10) =146a(11) =147a(12) =444a(13) =843a(14) =896a(15) =1390a(16) =2242a(17) =3131a(18) =4251a(19) =4252a(20) =6299a(21) =58815a(22) =93692