Divisorial primes: Primes p such that p = 1 + Product_{d|n} d for some n (ordered by n).

Terms

a(0) =2a(1) =3a(2) =37a(3) =101a(4) =197a(5) =331777a(6) =677a(7) =8503057a(8) =9834497a(9) =5477a(10) =59969537a(11) =8837a(12) =17957a(13) =21317a(14) =562448657a(15) =916636177a(16) =42437a(17) =3208542737a(18) =3782742017a(19) =5006411537a(20) =7676563457a(21) =98597a(22) =106277a(23) =11574317057a(24) =19565295377a(26) =148997a(27) =34188010001a(28) =38167092497