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A166108 as a simple table

na(n)
00
11
23
34
42
57
65
76
810
99
108
1112
1213
1314
1416
1517
1618
1719
1811
1915
2024
2128
2227
2323
2422
2521
2630
2720
2825
2929
3033
3131
3226
3334
3432
3542
3645
3736
3846
3935
4048
4140
4247
4339
4452
4538
4637
4753
4851
4955
5044
5149
5241
5354
5457
5563
5658
5759
5843
5950
6060
6172
6261
6365
6464
6568
6673
6769
6856
6978
7066
7175
7276

[0,1,3,4,2,7,5,6,10,9,8,12,13,14,16,17,18,19,11,
 15,24,28,27,23,22,21,30,20,25,29,33,31,26,34,32,
 42,45,36,46,35,48,40,47,39,52,38,37,53,51,55,44,
 49,41,54,57,63,58,59,43,50,60,72,61,65,64,68,73,
 69,56,78,66,75,76]