First numbers that belong to both sets:
31,
211,
781,
9901,
19531,
67861,
488281,
3188011,
12207031,
21850951,
305175781,
1026529561,
7035938281,
7629394531,
190734863281,
330539330551,
2265550275451,
4768371582031,
106432637907781,
119209289550781,
729500152756861.