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A117501 as a simple table

na(n)
11
21
31
41
52
62
71
83
93
103
111
124
134
145
155
161
175
185
197
208
218
221
236
246
259
2611
2713
2813
291
307
317
3211
3314
3418
3521
3621
371
388
398
4013
4117
4223
4329
4434
4534
461
479
489
4915
5020
5128
5237
5347
5455
5555
561
5710
5810
5917
6023
6133
6245
6360
6476
6589
6689
671
6811
6911
7019
7126
7238
7353
7473
7597
76123
77144
78144

[1,1,1,1,2,2,1,3,3,3,1,4,4,5,5,1,5,5,7,8,8,1,6,6,
 9,11,13,13,1,7,7,11,14,18,21,21,1,8,8,13,17,23,29,
 34,34,1,9,9,15,20,28,37,47,55,55,1,10,10,17,23,33,
 45,60,76,89,89,1,11,11,19,26,38,53,73,97,123,144,
 144]