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A112384 as a simple table

na(n)
01
11
22
31
43
54
62
71
85
93
106
117
128
134
142
151
169
1710
1811
1912
205
213
226
237
2413
2514
268
274
2815
292
3016
3117
3218
3319
3420
351
369
3710
3811
3912
4021
4122
4223
435
443
456
4624
4725
4826
4927
5028
5129
527
5313
5414
558
564
5715
5830
5931
6032
6133
6234
6335
6436
652
6616
6717
6818
6919
7020
711
7237
7338
7439
7540
7641

[1,1,2,1,3,4,2,1,5,3,6,7,8,4,2,1,9,10,11,12,5,3,6,
 7,13,14,8,4,15,2,16,17,18,19,20,1,9,10,11,12,21,
 22,23,5,3,6,24,25,26,27,28,29,7,13,14,8,4,15,30,
 31,32,33,34,35,36,2,16,17,18,19,20,1,37,38,39,40,
 41]