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A108812 as a simple table

na(n)
01
111
221
331
441
51
611
721
831
941
101
1111
1221
1331
1441
151
1611
1721
1831
1941
201
2111
2221
2331
2441
251
2611
2721
2831
2941
301
3111
3221
3331
3441
351
3611
3721
3831
3941
401
4111
4221
4331
4441
451
4611
4721
4831
4941
501
5111
5221
5331
5441
551
5611
5721
5831
5941
601
6111
6221
6331
6441
651
6611
6721
6831
6941
701
7111
7221
7331
7441

[1,11,21,31,41,1,11,21,31,41,1,11,21,31,41,1,11,
 21,31,41,1,11,21,31,41,1,11,21,31,41,1,11,21,31,
 41,1,11,21,31,41,1,11,21,31,41,1,11,21,31,41,1,11,
 21,31,41,1,11,21,31,41,1,11,21,31,41,1,11,21,31,
 41,1,11,21,31,41]