Primes with exactly eight 8's.

Terms

a(0) =888888883a(1) =888888887a(2) =8488888883a(3) =8688888889a(4) =8838888881a(5) =8868888887a(6) =8880888883a(7) =8885888881a(8) =8886888889a(9) =8888088889a(10) =8888488883a(11) =8888808881a(12) =8888818889a(13) =8888838887a(14) =8888848889a(15) =8888868881a(16) =8888868889a(17) =8888880881