Numbers k such that 3*10^k + 73 is prime.

Terms

a(0) =1a(1) =2a(2) =5a(3) =6a(4) =13a(5) =37a(6) =50a(7) =55a(8) =71a(9) =89a(10) =217a(11) =352a(12) =355a(13) =398a(14) =449a(15) =668a(16) =742a(17) =870a(18) =1360a(19) =1579a(20) =2848a(21) =3774a(22) =5039a(23) =5051a(24) =6134a(25) =6824a(26) =7255a(27) =12586a(28) =17106a(29) =27502