Numbers k such that (26*10^k - 173)/3 is prime.

Terms

a(0) =1a(1) =2a(2) =3a(3) =8a(4) =11a(5) =13a(6) =17a(7) =28a(8) =46a(9) =67a(10) =136a(11) =536a(12) =619a(13) =746a(14) =2420a(15) =2672a(16) =8228a(17) =10861a(18) =13424a(19) =16047a(20) =18075a(21) =37720a(22) =56371a(23) =75055