Numbers k such that (4*10^k + 173)/3 is prime.

Terms

a(0) =0a(1) =1a(2) =2a(3) =5a(4) =7a(5) =8a(6) =12a(7) =42a(8) =80a(9) =91a(10) =138a(11) =169a(12) =1376a(13) =1715a(14) =3212a(15) =6410a(16) =8492a(17) =9257a(18) =10584a(19) =11123a(20) =13819a(21) =17532a(22) =20369a(23) =22513a(24) =56156a(25) =69626a(26) =71498a(27) =83201a(28) =155022a(29) =197778