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A131004 as a simple table

na(n)
00
11
23
32
47
56
68
75
84
917
1016
1118
1215
1314
1422
1519
1621
1712
1811
1920
2013
2110
229
2345
2444
2546
2643
2742
2850
2947
3049
3140
3239
3348
3441
3538
3637
3762
3860
3963
4052
4151
4264
4356
4458
4531
4630
4757
4832
4929
5028
5161
5253
5359
5436
5533
5655
5735
5826
5925
6054
6134
6227
6324
6423
65129
66128
67130
68127
69126

[0,1,3,2,7,6,8,5,4,17,16,18,15,14,22,19,21,12,11,
 20,13,10,9,45,44,46,43,42,50,47,49,40,39,48,41,38,
 37,62,60,63,52,51,64,56,58,31,30,57,32,29,28,61,
 53,59,36,33,55,35,26,25,54,34,27,24,23,129,128,
 130,127,126]