Primes of the form T(p) - 2 where T(p) is the triangular number (A000217) with prime index p in A357218.

A357219

Primes of the form T(p) - 2 where T(p) is the triangular number (A000217) with prime index p in A357218.

Terms

    a(0) =13a(1) =89a(2) =151a(3) =433a(4) =701a(5) =859a(6) =1429a(7) =1889a(8) =2699a(9) =4003a(10) =4751a(11) =11173a(12) =12401a(13) =18719a(14) =19501a(15) =27259a(16) =33151a(17) =36313a(18) =38501a(19) =39619a(20) =49139a(21) =56951a(22) =75853a(23) =80599a(24) =83843a(25) =104651a(26) =129793a(27) =135979a(28) =146609a(29) =188189

External references