First numbers that belong to both sets:
9,
225,
441,
1089,
1521,
2601,
3025,
3249,
4225,
4761,
5929,
7225,
7569,
8281,
8649,
9025,
9801,
11025,
20449,
27225,
34969,
38025,
43681,
48841,
53361,
61009,
64009,
65025,
74529,
81225,
89401,
91809,
95481,
99225,
119025,
127449,
148225,
159201,
184041,
189225,
207025,
216225,
233289,
245025,
308025,
314721,
342225,
354025,
370881,
378225,
393129,
416025,
423801,
439569,
442225,
480249,
497025,
511225,
549081,
576081,
585225,
603729,
632025,
648025,
670761,
680625,
731025,
741321,
783225,
804609,
815409,
837225,
874225,
915849,
938961,
950625,
974169,
1002001,
1046529,
1092025,
1221025,
1279161,
1334025,
1375929,
1461681,
1490841,
1525225,
1600225,
1656369,
1713481,
1718721,
1830609,
1863225,
2013561,
2082249,
2140369,
2187441,
2235025,
2295225,
2387025,
2393209,
2405601,
2499561,
2544025,
2556801,
2576025,
2608225,
2673225,
2732409,
2812329,
2832489,
2873025,
2907025,
2989441,
3059001,
3122289,
3136441,
3186225,
3359889,
3538161,
3553225,
3560769,
3629025,
3790809,
3822025,
3861225,
3956121,
3980025,
4004001,
4052169,
4060225,
4141225,
4223025,
4272489,
4347225,
4372281,
4380649,
4447881,
4498641,
4575321,
4601025,
4678569,
4774225,
4809249,
4888521,
4941729,
4986289,
4995225,
5049009,
5085025,
5112121,
5130225,
5184729,
5239521,
5294601,
5461569,
5489649,
5546025,
5593225,
5631129,
5659641,
5697769,
5745609,
5784025,
5803281,
5832225,
5909761,
5978025,
6007401,
6076225,
6275025,
6517809,
6682225,
6734025,
6796449,
6827769,
6943225,
6964321,
7102225,
7112889,
7177041,
7209225,
7241481,
7273809,
7306209,
7371225,
7382089,
7491169,
7502121,
7568001,
7590025,
7667361,
7812025,
7868025,
7958041,
8003241,
8105409,
8116801,
8208225,
8242641,
8277129,
8381025,
8450649,
8497225,
8520561,
8625969,
8673025,
8732025,
8803089,
8910225,
9018009,
9054081,
9126441,
9272025,
9333025,
9357481,
9418761,
9492561,
9678321,
9790641,
9828225,
9891025,
9966649.