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A143693 as a simple table

na(n)
11
22
33
44
55
66
710
89
98
107
1112
1214
1316
1411
1513
1615
1724
1821
1919
2017
2120
2222
2326
2418
2523
2625
2736
2833
2930
3027
3138
3234
3331
3428
3532
3635
3740
3829
3937
4039
4143
4246
4355
4441
4556
4649
4748
4842
4958
5051
5150
5254
5360
5444
5552
5645
5753
5847
5959
6057
6161
6262
6369
6464
6577
6665
6770
6863
6985
7074
7187
7266

[1,2,3,4,5,6,10,9,8,7,12,14,16,11,13,15,24,21,19,
 17,20,22,26,18,23,25,36,33,30,27,38,34,31,28,32,
 35,40,29,37,39,43,46,55,41,56,49,48,42,58,51,50,
 54,60,44,52,45,53,47,59,57,61,62,69,64,77,65,70,
 63,85,74,87,66]