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A197928 as a simple table

na(n)
11
21
31
43
53
61
71
83
96
103
1111
123
131
141
153
1610
171
186
1919
2011
211
2211
231
243
2515
261
276
283
2929
303
3131
3210
3311
341
353
3621
371
3819
391
4011
4141
421
431
4443
4524
461
471
4810
4928
5015
511
523
531
546
5553
563
5719
5829
5959
6011
6161
6231
636
6436
653
6611
671
683
691
703
7171
7221
731
741
7515
7675
7711
781
7979
8042
8145
8241
831
843
853
861
8729
8843
8989
9024
911
923
9331
941
9593
9610
971
9828
9996
10055
101101
1021
1031
1043
1053

[1,1,1,3,3,1,1,3,6,3,11,3,1,1,3,10,1,6,19,11,1,11,
 1,3,15,1,6,3,29,3,31,10,11,1,3,21,1,19,1,11,41,1,
 1,43,24,1,1,10,28,15,1,3,1,6,53,3,19,29,59,11,61,
 31,6,36,3,11,1,3,1,3,71,21,1,1,15,75,11,1,79,42,
 45,41,1,3,3,1,29,43,89,24,1,3,31,1,93,10,1,28,96,
 55,101,1,1,3,3]