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A291329 as a simple table

na(n)
21
31
42
51
63
71
84
93
105
111
126
131
147
155
168
171
189
191
2010
217
2211
233
2412
255
2613
279
2814
293
3015
313
3216
3311
3417
357
3618
373
3819
3913
4020
413
4221
435
4422
4515
4623
475
4824
497
5025
5117
5226
535
5427
5511
5628
5719
5829
595
6030
615
6231
6321
6432
6513
6633
677
6834
6923
7035

[1,1,2,1,3,1,4,3,5,1,6,1,7,5,8,1,9,1,10,7,11,3,12,
 5,13,9,14,3,15,3,16,11,17,7,18,3,19,13,20,3,21,5,
 22,15,23,5,24,7,25,17,26,5,27,11,28,19,29,5,30,5,
 31,21,32,13,33,7,34,23,35]