Numbers k such that (22*10^k + 53)/3 is prime.

Terms

a(0) =2a(1) =3a(2) =4a(3) =5a(4) =8a(5) =9a(6) =16a(7) =17a(8) =18a(9) =36a(10) =54a(11) =69a(12) =183a(13) =200a(14) =240a(15) =846a(16) =1424a(17) =2511a(18) =4750a(19) =13854a(20) =15414a(21) =103450a(22) =128094a(23) =132746