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A248601 as a simple table

na(n)
11
21
31
41
52
61
71
83
93
101
111
124
137
144
151
161
175
189
199
205
211
221
236
2413
2516
2613
276
281
291
307
3121
3225
3325
3421
357
361
371
388
3919
4036
4123
4236
4319
448
451
461
479
4827
4949
5065
5165
5249
5327
549
551
561
5710
5849
5964
6037
61126
6237
6364
6449
6510
661
671
6811
6939
7081
71125
72133
73133
74125

[1,1,1,1,2,1,1,3,3,1,1,4,7,4,1,1,5,9,9,5,1,1,6,13,
 16,13,6,1,1,7,21,25,25,21,7,1,1,8,19,36,23,36,19,
 8,1,1,9,27,49,65,65,49,27,9,1,1,10,49,64,37,126,
 37,64,49,10,1,1,11,39,81,125,133,133,125]