Primes which divide none of overpseudoprimes to base 2 (A141232).

Terms

a(0) =2a(1) =3a(2) =5a(3) =7a(4) =11a(5) =13a(6) =17a(7) =19a(8) =31a(9) =41a(10) =43a(11) =73a(12) =127a(13) =151a(14) =241a(15) =257a(16) =331a(17) =337a(18) =683a(19) =2731a(20) =5419a(21) =8191a(22) =43691a(23) =61681a(24) =65537a(25) =87211a(26) =131071a(27) =174763a(28) =262657a(29) =524287