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A254104 as a simple table

na(n)
00
11
22
33
45
54
67
711
86
99
1015
1110
1223
1313
148
1519
1631
1714
1821
1947
2022
2127
2217
2312
2439
2563
2618
2729
2843
2930
3095
3145
3220
3355
3435
3546
3625
3779
3826
39127
4037
4116
4259
4387
4438
4561
46191
4762
4891
4941
5028
51111
5271
5342
5493
5551
5694
57159
5853
5944
60255
6175
6254
6333
64119
6534
66175
6777
6824
69123
70383
7178
72125
73183
74126
7583
7657
7736
78223
79143
8058
8185
82187
8386
84103
85189
8660

[0,1,2,3,5,4,7,11,6,9,15,10,23,13,8,19,31,14,21,
 47,22,27,17,12,39,63,18,29,43,30,95,45,20,55,35,
 46,25,79,26,127,37,16,59,87,38,61,191,62,91,41,28,
 111,71,42,93,51,94,159,53,44,255,75,54,33,119,34,
 175,77,24,123,383,78,125,183,126,83,57,36,223,143,
 58,85,187,86,103,189,60]