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A126352 as a simple table

na(n)
01
11
23
34
45
53
67
78
89
91
1011
1112
1213
137
1415
1516
1617
179
1819
194
2021
2111
2223
2324
2425
2513
2627
2728
2829
2915
3031
3132
3233
3317
347
3536
3637
3719
3839
3940
4041
4121
4243
4344
449
4523
4647
4748
4849
4925
5051
514
5253
5327
5455
5556
5657
5729
5859
5912
6061
6131
6263
6364
6465
6533
6667
6768
6869
697
7071
7172
7273
7337
7475
7576

[1,1,3,4,5,3,7,8,9,1,11,12,13,7,15,16,17,9,19,4,
 21,11,23,24,25,13,27,28,29,15,31,32,33,17,7,36,37,
 19,39,40,41,21,43,44,9,23,47,48,49,25,51,4,53,27,
 55,56,57,29,59,12,61,31,63,64,65,33,67,68,69,7,71,
 72,73,37,75,76]