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A178568 as a simple table

na(n)
11
21
31
41
52
62
71
83
93
101
111
124
134
144
153
161
175
185
199
205
212
221
236
246
2516
267
276
283
291
307
317
3225
339
3412
357
361
371
388
398
4036
4111
4220
4313
448
454
461
479
489
4949
5013
5130
5221
5327
549
553
561
5710
5810
5964
6015
6142
6231
6364
6416
6510
665
671
6811
6911
7081
7117
7256
7343
74125
7525
7621
7711
782

[1,1,1,1,2,2,1,3,3,1,1,4,4,4,3,1,5,5,9,5,2,1,6,6,
 16,7,6,3,1,7,7,25,9,12,7,1,1,8,8,36,11,20,13,8,4,
 1,9,9,49,13,30,21,27,9,3,1,10,10,64,15,42,31,64,
 16,10,5,1,11,11,81,17,56,43,125,25,21,11,2]