Primes of the form 210k + 23.

Terms

a(0) =23a(1) =233a(2) =443a(3) =653a(4) =863a(5) =1283a(6) =1493a(7) =1913a(8) =2333a(9) =2543a(10) =2753a(11) =2963a(12) =3593a(13) =3803a(14) =4013a(15) =4643a(16) =5273a(17) =5483a(18) =5693a(19) =5903a(20) =6113a(21) =6323a(22) =7583a(23) =7793a(24) =8423a(25) =9473a(26) =10103a(27) =10313a(28) =10733a(29) =11783