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A195115 as a simple table

na(n)
11
23
32
45
56
64
78
89
910
107
1115
1212
1313
1414
1511
1620
1721
1817
1918
2019
2116
2226
2327
2428
2523
2624
2725
2822
2933
3034
3135
3236
3330
3431
3532
3629
3745
3841
3942
4043
4144
4238
4339
4440
4537
4654
4755
4850
4951
5052
5153
5247
5348
5449
5546
5664
5765
5866
5960
6061
6162
6263
6357
6458
6559
6656
6775
6876
6977

[1,3,2,5,6,4,8,9,10,7,15,12,13,14,11,20,21,17,18,
 19,16,26,27,28,23,24,25,22,33,34,35,36,30,31,32,
 29,45,41,42,43,44,38,39,40,37,54,55,50,51,52,53,
 47,48,49,46,64,65,66,60,61,62,63,57,58,59,56,75,
 76,77]