Primes of the form 10*k^2 - 1.

Terms

a(0) =89a(1) =359a(2) =809a(3) =1439a(4) =4409a(5) =8999a(6) =10889a(7) =12959a(8) =20249a(9) =23039a(10) =35999a(11) =47609a(12) =51839a(13) =56249a(14) =65609a(15) =75689a(16) =98009a(17) =116639a(18) =123209a(19) =129959a(20) =136889a(21) =143999a(22) =151289a(23) =158759a(24) =166409a(25) =234089a(26) =272249a(27) =282239a(28) =302759a(29) =313289