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A176921 as a simple table

na(n)
11
21
33
41
51
63
7294
81
981
101
11242
123
131014
14294
153
161
174624
1881
196498
201
21294
22242
2311638
243
251
261014
272187
28294
2923548
303
3114415
321
33726
344624
35294
3681
374107
386498
391014
401
418405
42294
4338829
44242
4581
4611638
47101614
483
49100842
501
5113872
521014
5336517
542187

[1,1,3,1,1,3,294,1,81,1,242,3,1014,294,3,1,4624,
 81,6498,1,294,242,11638,3,1,1014,2187,294,23548,3,
 14415,1,726,4624,294,81,4107,6498,1014,1,8405,294,
 38829,242,81,11638,101614,3,100842,1,13872,1014,
 36517,2187]