Primes of the form 210n+71.

Terms

a(0) =71a(1) =281a(2) =491a(3) =701a(4) =911a(5) =2381a(6) =2591a(7) =2801a(8) =3011a(9) =3221a(10) =3851a(11) =4271a(12) =4481a(13) =4691a(14) =5531a(15) =5741a(16) =6581a(17) =6791a(18) =7001a(19) =7211a(20) =7841a(21) =8681a(22) =9311a(23) =9521a(24) =9941a(25) =10151a(26) =10781a(27) =11411a(28) =11621a(29) =11831