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A291674 as a simple table

na(n)
11
21
33
42
53
63
72
82
94
103
1119
123
136
142
153
163
177
184
1910
203
214
2219
2343
243
2519
266
2710
282
2939
303
3119
324
3319
347
356
364
3718
3810
396
403
4119
424
4313
4419
456
4643
47137
483
4926
5019
517
526
53103
5410
5519
562
5710
5839
59173
603
6138
6219
634
644
656
6619
6786
687
6943
706
71139
724
7310
7418
7519
7610
7725
786
79206
803
8134
8219
83163

[1,1,3,2,3,3,2,2,4,3,19,3,6,2,3,3,7,4,10,3,4,19,
 43,3,19,6,10,2,39,3,19,4,19,7,6,4,18,10,6,3,19,4,
 13,19,6,43,137,3,26,19,7,6,103,10,19,2,10,39,173,
 3,38,19,4,4,6,19,86,7,43,6,139,4,10,18,19,10,25,6,
 206,3,34,19,163]