Divisorial primes: primes p of the form p = 1 + Product_{d|k} d for some k.

Terms

a(0) =2a(1) =3a(2) =37a(3) =101a(4) =197a(5) =677a(6) =5477a(7) =8837a(8) =17957a(9) =21317a(10) =42437a(11) =98597a(12) =106277a(13) =148997a(14) =217157a(15) =331777a(16) =401957a(17) =454277a(18) =1196837a(19) =1378277a(20) =1674437a(21) =1705637a(22) =1833317a(23) =1865957a(24) =2390117a(25) =2735717a(26) =3118757a(27) =3147077a(28) =3587237a(29) =3865157