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A072659 as a simple table

na(n)
00
11
22
33
44
56
67
75
814
99
1016
118
1242
1315
1417
1511
1637
1712
1819
19121
2043
2151
2228
2344
2420
25126
2639
2721
2810
2940
30385
31123
32149
33124
3452
3554
3623
37112
3830
3953
40376
41127
42154
4384
4456
4518
46163
4738
481234
49387
50475
51388
52151
53503
54122
55152
5679
57156
5845
59480
60107
6157
6213
63114

[0,1,2,3,4,6,7,5,14,9,16,8,42,15,17,11,37,12,19,
 121,43,51,28,44,20,126,39,21,10,40,385,123,149,
 124,52,54,23,112,30,53,376,127,154,84,56,18,163,
 38,1234,387,475,388,151,503,122,152,79,156,45,480,
 107,57,13,114]