Numbers k such that (5*10^k + 37)/3 is prime.

Terms

a(0) =1a(1) =2a(2) =5a(3) =9a(4) =13a(5) =20a(6) =21a(7) =32a(8) =33a(9) =56a(10) =73a(11) =81a(12) =149a(13) =313a(14) =455a(15) =753a(16) =1013a(17) =1166a(18) =1304a(19) =1679a(20) =15758a(21) =15896a(22) =21801a(23) =41353a(24) =45421a(25) =131090a(26) =151007