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A131165 as a simple table

na(n)
00
11
23
32
48
57
64
75
86
922
1021
1117
1218
1320
1411
1510
169
1712
1813
1914
2015
2116
2219
2364
2463
2558
2659
2762
2848
2946
3045
3149
3250
3354
3455
3557
3661
3733
3830
3926
4027
4129
4228
4323
4424
4531
4632
4725
4834
4935
5036
5139
5238
5337
5440
5541
5642
5743
5844
5947
6051
6152
6253
6356
6460
65196
66195
67189
68190
69194

[0,1,3,2,8,7,4,5,6,22,21,17,18,20,11,10,9,12,13,
 14,15,16,19,64,63,58,59,62,48,46,45,49,50,54,55,
 57,61,33,30,26,27,29,28,23,24,31,32,25,34,35,36,
 39,38,37,40,41,42,43,44,47,51,52,53,56,60,196,195,
 189,190,194]