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A165199 as a simple table

na(n)
00
11
23
32
46
57
64
75
813
912
1015
1114
129
138
1411
1510
1626
1727
1824
1925
2030
2131
2228
2329
2418
2519
2616
2717
2822
2923
3020
3121
3253
3352
3455
3554
3649
3748
3851
3950
4061
4160
4263
4362
4457
4556
4659
4758
4837
4936
5039
5138
5233
5332
5435
5534
5645
5744
5847
5946
6041
6140
6243
6342
64106
65107
66104
67105
68110
69111
70108

[0,1,3,2,6,7,4,5,13,12,15,14,9,8,11,10,26,27,24,
 25,30,31,28,29,18,19,16,17,22,23,20,21,53,52,55,
 54,49,48,51,50,61,60,63,62,57,56,59,58,37,36,39,
 38,33,32,35,34,45,44,47,46,41,40,43,42,106,107,
 104,105,110,111,108]