Primes of the form : (p-n)/(n+1)=prime and (n+1)*p+n=prime. n=4.

Terms

a(0) =29a(1) =89a(2) =419a(3) =509a(4) =659a(5) =1259a(6) =1289a(7) =1319a(8) =1949a(9) =2099a(10) =2309a(11) =2339a(12) =2609a(13) =2939a(14) =3989a(15) =4049a(16) =6089a(17) =6599a(18) =7559a(19) =8609a(20) =9239a(21) =9539a(22) =10709a(23) =12659a(24) =12899a(25) =13469a(26) =13499a(27) =18119a(28) =20399a(29) =21089