Primes p such that p - 3 divides 3^p - 3.

Terms

a(0) =2a(1) =5a(2) =7a(3) =11a(4) =13a(5) =31a(6) =73a(7) =241a(8) =367a(9) =491a(10) =577a(11) =733a(12) =757a(13) =971a(14) =991a(15) =2593a(16) =2731a(17) =3307a(18) =3391a(19) =3529a(20) =4591a(21) =5113a(22) =7591a(23) =8011a(24) =8713a(25) =11131a(26) =17377a(27) =17911a(28) =18433a(29) =21757