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A342131 as a simple table

na(n)
00
12
21
35
43
58
64
711
86
914
107
1117
129
1320
1410
1523
1612
1726
1813
1929
2015
2132
2216
2335
2418
2538
2619
2741
2821
2944
3022
3147
3224
3350
3425
3553
3627
3756
3828
3959
4030
4162
4231
4365
4433
4568
4634
4771
4836
4974
5037
5177
5239
5380
5440
5583
5642
5786
5843
5989
6045
6192
6246
6395
6448
6598
6649
67101
6851
69104

[0,2,1,5,3,8,4,11,6,14,7,17,9,20,10,23,12,26,13,
 29,15,32,16,35,18,38,19,41,21,44,22,47,24,50,25,
 53,27,56,28,59,30,62,31,65,33,68,34,71,36,74,37,
 77,39,80,40,83,42,86,43,89,45,92,46,95,48,98,49,
 101,51,104]