Nonstandard Jacobi primes.

Terms

a(0) =13a(1) =97a(2) =193a(3) =409a(4) =769a(5) =2593a(6) =4729a(7) =6481a(8) =12289a(9) =15361a(10) =55681a(11) =331777a(12) =417793a(13) =737281a(14) =786433a(15) =2752513a(16) =6684673a(17) =8650753a(18) =36175873a(19) =69206017a(20) =75079681a(21) =155344897a(22) =270532609a(23) =435486721a(24) =824717353a(25) =860301577a(26) =1380974593a(27) =1845657601a(28) =3221225473a(29) =3255828481