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A249683 as a simple table

na(n)
01
12
24
33
45
58
67
711
86
99
1010
1113
1214
1316
1419
1517
1622
1720
1812
1915
2018
2123
2226
2328
2425
2529
2631
2732
2834
2937
3024
3121
3227
3330
3435
3538
3641
3743
3840
3944
4046
4147
4249
4350
4452
4533
4636
4739
4842
4948
5045
5153
5256
5355
5458
5559
5661
5762
5864
5967
6068
6171
6265
6370
6473
6576
6651

[1,2,4,3,5,8,7,11,6,9,10,13,14,16,19,17,22,20,12,
 15,18,23,26,28,25,29,31,32,34,37,24,21,27,30,35,
 38,41,43,40,44,46,47,49,50,52,33,36,39,42,48,45,
 53,56,55,58,59,61,62,64,67,68,71,65,70,73,76,51]