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A265167 as a simple table

na(n)
10
21
32
421
5186
62113
727856
8422481
97241480
10138478561
112923183474
1267520866405
131694065383154
1445878853274945
151333966056696224
1641446945223914337
171370476678395567376
1848051281596087884289

[0,1,2,21,186,2113,27856,422481,7241480,138478561,
 2923183474,67520866405,1694065383154,
 45878853274945,1333966056696224,41446945223914337,
 1370476678395567376,48051281596087884289]