Primes of the form 210k + 47.

Terms

a(0) =47a(1) =257a(2) =467a(3) =677a(4) =887a(5) =1097a(6) =1307a(7) =2357a(8) =2777a(9) =3407a(10) =3617a(11) =4457a(12) =4877a(13) =5087a(14) =5297a(15) =5507a(16) =5717a(17) =5927a(18) =6977a(19) =7187a(20) =7607a(21) =7817a(22) =8237a(23) =8447a(24) =8867a(25) =9497a(26) =10337a(27) =11177a(28) =11597a(29) =11807