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A154437 as a simple table

na(n)
00
11
23
32
45
56
67
74
813
910
1011
1112
129
1314
1415
158
1621
1726
1827
1920
2025
2122
2223
2324
2429
2518
2619
2728
2817
2930
3031
3116
3253
3342
3443
3552
3641
3754
3855
3940
4045
4150
4251
4344
4449
4546
4647
4748
4837
4958
5059
5136
5257
5338
5439
5556
5661
5734
5835
5960
6033
6162
6263
6332
6485
65106
66107
6784
68105
6986
7087

[0,1,3,2,5,6,7,4,13,10,11,12,9,14,15,8,21,26,27,
 20,25,22,23,24,29,18,19,28,17,30,31,16,53,42,43,
 52,41,54,55,40,45,50,51,44,49,46,47,48,37,58,59,
 36,57,38,39,56,61,34,35,60,33,62,63,32,85,106,107,
 84,105,86,87]