Primes of the form n^2 + 81.

Terms

a(0) =97a(1) =181a(2) =277a(3) =337a(4) =757a(5) =1237a(6) =2017a(7) =3217a(8) =4177a(9) =5557a(10) =5857a(11) =6481a(12) =7477a(13) =11317a(14) =13537a(15) =16981a(16) =19681a(17) =21397a(18) =33937a(19) =37717a(20) =48481a(21) =51157a(22) =52981a(23) =59617a(24) =62581a(25) =65617a(26) =80737a(27) =84181a(28) =87697a(29) =96181