Primes p followed by a gap of 70 = nextprime(p) - p.

Terms

a(0) =173359a(1) =175141a(2) =186481a(3) =203461a(4) =218287a(5) =253159a(6) =302329a(7) =399283a(8) =449473a(9) =458239a(10) =459523a(11) =517747a(12) =524521a(13) =546391a(14) =651517a(15) =675643a(16) =677239a(17) =703561a(18) =710119a(19) =724651a(20) =762409a(21) =914047a(22) =1015207a(23) =1023871a(24) =1037143a(25) =1072231a(26) =1072543a(27) =1074763a(28) =1149061a(29) =1189483