Numbers k such that (302*10^k + 13)/9 is prime.

Terms

a(0) =1a(1) =4a(2) =7a(3) =9a(4) =16a(5) =33a(6) =55a(7) =63a(8) =75a(9) =195a(10) =412a(11) =766a(12) =1083a(13) =1657a(14) =2254a(15) =4972a(16) =10053a(17) =10605a(18) =13413a(19) =18085a(20) =24595a(21) =25161a(22) =36441a(23) =80638a(24) =178369