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A065517 as a simple table

na(n)
11
21
31
41
51
61
71
81
91
1010
1111
124
1313
1414
155
1616
1717
182
1919
2010
217
2211
2323
244
2525
2613
273
2814
2929
3010
3131
3232
3311
3434
3535
364
3737
3838
3913
4010
4141
427
4343
4411
455
4623
4747
484
4949
5010
5117
5252
5353
546
5511
5656
5719
5858
5959
6010
6161
6231
637
6432
6565
6611
6767
6834
6923
7010
7171

[1,1,1,1,1,1,1,1,1,10,11,4,13,14,5,16,17,2,19,10,
 7,11,23,4,25,13,3,14,29,10,31,32,11,34,35,4,37,38,
 13,10,41,7,43,11,5,23,47,4,49,10,17,52,53,6,11,56,
 19,58,59,10,61,31,7,32,65,11,67,34,23,10,71]