Numbers m such that greatest prime divisor of (m-th prime + 1) is 3.

Terms

a(0) =1a(1) =3a(2) =5a(3) =7a(4) =9a(5) =15a(6) =16a(7) =20a(8) =28a(9) =43a(10) =76a(11) =83a(12) =118a(13) =150a(14) =164a(15) =190a(16) =377a(17) =597a(18) =801a(19) =889a(20) =1091a(21) =1561a(22) =1814a(23) =2601a(24) =3016a(25) =6253a(26) =7281a(27) =13005a(28) =15167a(29) =25607