Primes p of Erdos-Selfridge class 3+ with largest prime factor of p+1 not of class 2+.

Terms

a(0) =883a(1) =1747a(2) =2417a(3) =2621a(4) =3301a(5) =3533a(6) =3571a(7) =3691a(8) =3853a(9) =4027a(10) =4133a(11) =4783a(12) =4861a(13) =5303a(14) =5381a(15) =5393a(16) =5563a(17) =5641a(18) =5821a(19) =6577a(20) =6991a(21) =7253a(22) =7331a(23) =8059a(24) =8093a(25) =8377a(26) =8839a(27) =8929a(28) =8969a(29) =9221