First numbers that belong to both sets:
1,
4,
9,
36,
144,
324,
784,
1296,
1444,
1764,
2916,
9216,
11664,
12996,
24336,
26244,
28224,
36864,
41616,
69696,
82944,
93636,
112896,
114244,
116964,
138384,
166464,
186624,
213444,
236196,
311364,
412164,
484416,
646416,
777924,
1192464,
1218816,
1281424,
1313316,
1382976,
1411344,
1468944,
2143296,
2196324,
2214144,
2286144,
2414916,
2663424,
2862864,
3111696,
3196944,
3261636,
3283344,
3392964,
3663396,
3732624,
3944196,
4822416,
4981824,
6441444,
7683984,
8363664,
8433216,
8928144,
9326916,
9696996,
11128896,
11142244,
11249316,
11614464,
11861136,
11943936,
12446784,
13264164,
13972644,
16112196,
16842816,
18249984,
19236996,
19289664,
21123216,
21233664,
21734244,
22127616,
22924944,
23213124,
23386896,
23444964,
23736384,
24147396,
24324624,
24443136,
24621444,
26193924,
26998416,
27123264,
28132416,
31674384,
32421636,
32626944,
34433424,
34644996,
36144144,
36216324,
36433296,
36869184,
38489616,
39614436,
39841344,
41139396,
41293476,
43639236,
44116164,
44836416,
46131264,
46294416,
49196196,
49787136,
61121124,
61496964,
61968384,
62346816,
62631396,
62916624,
63393444,
64931364,
66194496,
66292164,
71267364,
72692676,
76317696,
79281216,
81216144,
81649296,
83393424,
83832336,
84492864,
86266944,
86936976,
88284816,
88962624,
89189136,
91126116,
91699776,
96118416,
98247744,
111133764,
114318864,
116899344,
117418896,
118984464,
122943744,
123343236,
124144164,
126292644,
128414224,
131194116,
133263936,
133818624,
134374464,
136328976,
136469124,
139428864,
139996224,
141276996,
141419664,
142277184,
144288144,
144432324,
146313216,
148644864,
161188416,
161493264,
163942416,
169364196,
171714816,
173923344,
178382736,
181926144,
183223296,
184199184,
186486336,
186814224,
189778176,
191434896,
191933316,
192432384,
193432464,
196784784,
199826496,
199996164,
212226624,
212926464,
216266436,
216442944,
218211984,
218921616,
219988224,
222129216,
223921296,
226622916,
231161616,
231891984,
232989696,
233722944,
234641124,
236298384,
238146624,
238887936,
243921924,
244484496,
246364416,
246741264,
248629824,
249387264,
262634436,
262828944,
276623424,
281836944,
282643344,
284664384,
286692624,
293642496,
296941824,
297976644,
298183824,
299428416,
317124864,
321413184,
324432144,
338412816,
344399364,
346629924,
349989264,
363131136,
364962816,
379782144,
389193984,
393466896,
394896384,
396328464,
398241936,
414692496,
416649744,
428986944,
429981696,
433972224,
434222244,
436224996,
439237764,
439489296,
468116496,
471497796,
486996624,
489648384,
491242896,
491774976,
494439696.