Numbers k such that 10^k - 113 is prime.

Terms

a(0) =3a(1) =4a(2) =16a(3) =21a(4) =31a(5) =70a(6) =124a(7) =131a(8) =203a(9) =309a(10) =791a(11) =975a(12) =1015a(13) =4367a(14) =4451a(15) =8495a(16) =23523a(17) =30508a(18) =41536a(19) =41551a(20) =43455a(21) =43463a(22) =51004