First numbers that belong to both sets:
1,
9,
4761,
12321,
15129,
35721,
50625,
99225,
239121,
294849,
680625,
731025,
772641,
881721,
904401,
1447209,
1687401,
1703025,
1962801,
2241009,
2331729,
2368521,
2634129,
2913849,
3164841,
3908529,
4297329,
4322241,
4473225,
4652649,
4756761,
6125625,
7017201,
7144929,
7469289,
7901721,
8037225,
8071281,
8173881,
8485569,
9162729,
9381969,
9566649,
9941409.