Squares with initial digit '3'.

Terms

a(0) =36a(1) =324a(2) =361a(3) =3025a(4) =3136a(5) =3249a(6) =3364a(7) =3481a(8) =3600a(9) =3721a(10) =3844a(11) =3969a(12) =30276a(13) =30625a(14) =30976a(15) =31329a(16) =31684a(17) =32041a(18) =32400a(19) =32761a(20) =33124a(21) =33489a(22) =33856a(23) =34225a(24) =34596a(25) =34969a(26) =35344a(27) =35721a(28) =36100a(29) =36481