Numbers n such that n+1 divides prime(n)+1.

Terms

a(0) =5a(1) =6a(2) =13a(3) =15a(4) =31a(5) =32a(6) =34a(7) =75a(8) =77a(9) =445a(10) =2701a(11) =15929a(12) =40079a(13) =40156a(14) =251720a(15) =251766a(16) =251769a(17) =251787a(18) =10553437a(19) =10553577a(20) =10553645a(21) =10553815a(22) =179992919a(23) =179993161a(24) =179993169a(25) =3140421756a(26) =3140421774a(27) =3140421782a(28) =55762149085a(29) =55762149089