First numbers that belong to both sets:
6,
28,
36,
45,
55,
66,
78,
91,
120,
136,
153,
171,
190,
210,
231,
253,
276,
300,
325,
351,
378,
406,
435,
465,
496,
528,
561,
595,
630,
666,
703,
741,
780,
820,
861,
903,
946,
990,
1035,
1128,
1176,
1275,
1326,
1378,
1485,
1540,
1596,
1653,
1770,
1830,
1953,
2016,
2080,
2145,
2211,
2278,
2346,
2415,
2556,
2628,
2775,
2850,
2926,
3003,
3081,
3160,
3240,
3486,
3570,
3655,
3741,
3828,
3916,
4005,
4095,
4186,
4278,
4371,
4465,
4560,
4656,
4851,
4950,
5050,
5151,
5253,
5356,
5460,
5565,
5671,
5778,
5886,
5995,
6105,
6216,
6328,
6441,
6555,
6670,
6786,
6903,
7021,
7140,
7260,
7381,
7503,
7626,
7750,
7875,
8001,
8128,
8256,
8385,
8515,
8646,
8778,
8911,
9045,
9180,
9316,
9453,
9591,
9730,
9870,
10153,
10296,
10440,
10878,
11026,
11175,
11325,
11476,
11628,
11781,
11935,
12090,
12246,
12720,
12880,
13366,
13530,
13695,
14028,
14196,
14365,
14535,
14706,
14878,
15051,
15225,
15400,
15576,
16110,
16290,
16471,
16653,
16836,
17020,
17205,
17391,
17578,
17766,
17955,
18145,
18336,
18528,
18915,
19110,
19306,
19503,
19701,
19900,
20100,
20301,
20503,
20706,
20910,
21115,
21321,
21528,
21736,
21945,
22155,
22366,
22578,
22791,
23005,
23220,
23436,
23653,
23871,
24090,
24310,
24531,
24753,
24976,
25200,
25425,
25651,
25878,
26106,
26335,
26565,
26796,
27028,
27261,
27495,
27730,
27966,
28203,
28441,
28680,
28920,
29161,
29890,
30135,
30381,
30628,
30876,
31626,
31878,
32131,
32385,
32640,
33153,
33411,
33670,
33930,
34191,
34453,
34716,
34980,
35245,
35511,
35778,
36046,
36315,
36585,
36856,
37128,
37401,
37675,
37950,
38226,
38503,
38781,
39060,
39340,
39621,
39903,
40186,
40470,
40755,
41041,
41328,
41616,
41905,
42195,
42486,
42778,
43071,
43365,
43660,
43956,
44253,
44551,
44850,
45150,
45451,
45753,
46056,
46360,
46665,
46971,
47278,
47586,
47895,
48205,
48516,
48828.
Some larger examples :
9912378,
9916831,
9921285,
9925740,
9930196,
9934653,
9939111,
9943570,
9948030,
9952491,
9956953,
9961416,
9965880,
9970345,
9974811,
9979278,
9983746,
9988215,
9992685,
9997156.