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A297845 as a simple table

na(n)
11
21
31
41
52
61
71
83
93
101
111
124
135
144
151
161
175
189
199
205
211
221
236
247
2516
267
276
281
291
307
3115
3225
3325
3415
357
361
371
388
3911
4036
4111
4236
4311
448
451
461
479
4827
4949
5035
5135
5249
5327
549
551
561
5710
5825
5964
6013
6190
6213
6364
6425
6510
661
671
6811
6921
7081
71125
7277
7377
74125
7581

[1,1,1,1,2,1,1,3,3,1,1,4,5,4,1,1,5,9,9,5,1,1,6,7,
 16,7,6,1,1,7,15,25,25,15,7,1,1,8,11,36,11,36,11,8,
 1,1,9,27,49,35,35,49,27,9,1,1,10,25,64,13,90,13,
 64,25,10,1,1,11,21,81,125,77,77,125,81]