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A127289 as a simple table

na(n)
00
11
23
32
46
58
67
75
84
915
1020
1114
1219
1321
1418
1522
1616
1711
1813
1917
2012
2110
229
2339
2453
2541
2655
2759
2840
2954
3038
3152
3257
3337
3451
3556
3658
3747
3860
3949
4062
4164
4248
4361
4443
4529
4634
4742
4828
4933
5035
5150
5263
5346
5432
5536
5644
5730
5825
5927
6045
6131
6226
6324
6423
65113
66155
67118
68160
69173

[0,1,3,2,6,8,7,5,4,15,20,14,19,21,18,22,16,11,13,
 17,12,10,9,39,53,41,55,59,40,54,38,52,57,37,51,56,
 58,47,60,49,62,64,48,61,43,29,34,42,28,33,35,50,
 63,46,32,36,44,30,25,27,45,31,26,24,23,113,155,
 118,160,173]