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A048864 as a simple table

na(n)
11
21
31
41
52
61
73
81
93
102
116
121
137
142
154
163
1710
181
1911
202
216
224
2314
241
2512
265
2710
285
2919
301
3120
326
3311
347
3515
363
3725
388
3914
406
4128
422
4329
448
4512
4610
4732
483
4928
507
5119
5211
5337
544
5526
5610
5722
5814
5942
602
6143
6214
6320
6415
6532
665
6748
6815
6927
708
7151
726
7352
7417
7521
7617
7741
786
7957
8012
8133
8220

[1,1,1,1,2,1,3,1,3,2,6,1,7,2,4,3,10,1,11,2,6,4,14,
 1,12,5,10,5,19,1,20,6,11,7,15,3,25,8,14,6,28,2,29,
 8,12,10,32,3,28,7,19,11,37,4,26,10,22,14,42,2,43,
 14,20,15,32,5,48,15,27,8,51,6,52,17,21,17,41,6,57,
 12,33,20]