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A193723 as a simple table

na(n)
01
12
21
36
45
51
618
721
88
91
1054
1181
1245
1311
141
15162
16297
17216
1878
1914
201
21486
221053
23945
24450
25120
2617
271
281458
293645
303888
312295
32810
33171
3420
351
364374
3712393
3815309
3910773
404725
411323
42231
4323
441
4513122
4641553
4758320
4847628
4924948
508694
512016
52300
5326
541

[1,2,1,6,5,1,18,21,8,1,54,81,45,11,1,162,297,216,
 78,14,1,486,1053,945,450,120,17,1,1458,3645,3888,
 2295,810,171,20,1,4374,12393,15309,10773,4725,
 1323,231,23,1,13122,41553,58320,47628,24948,8694,
 2016,300,26,1]