Primes that become squares when prefixed with a 5.

Terms

a(0) =29a(1) =929a(2) =2441a(3) =3361a(4) =4289a(5) =7121a(6) =8081a(7) =9049a(8) =19841a(9) =34361a(10) =49081a(11) =61001a(12) =76081a(13) =88289a(14) =94441a(15) =112121a(16) =121169a(17) =148361a(18) =193841a(19) =230369a(20) =239521a(21) =276209a(22) =322249a(23) =377761a(24) =414929a(25) =461569a(26) =536609a(27) =564881a(28) =583769a(29) =602689