Primes p such that the decimal expansion of its base 7 expansion converted to decimal is a square.

Terms

a(0) =13a(1) =19a(2) =139a(3) =313a(4) =433a(5) =571a(6) =883a(7) =1489a(8) =3547a(9) =10513a(10) =11779a(11) =14389a(12) =20011a(13) =25939a(14) =27763a(15) =30181a(16) =32353a(17) =42649a(18) =44617a(19) =45289a(20) =46309a(21) =47353a(22) =48787a(23) =55411a(24) =65269a(25) =65713a(26) =96331a(27) =111577a(28) =120763a(29) =129967