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A331746 as a simple table

na(n)
11
22
33
44
55
66
77
88
99
1010
1111
1212
1311
1413
1514
1615
1716
1817
1918
2019
2120
2221
2322
2423
2518
2621
2724
2825
2922
3026
3127
3228
3329
3430
3531
3632
3733
3834
3935
4036
4133
4237
4338
4439
4540
4641
4742
4843
4931
5044
5145
5246
5338
5447
5548
5649
5735
5841
5948
6050
6142
6251
6352
6453
6554
6655
6756
6857
6958
7059
7160
7261
7362
7463
7564
7665
7766
7867
7968
8069
8170
8263
8371
8472
8573
8674
8775
8876
8966
9077
9178
9279
9380
9481
9582
9683
9756

[1,2,3,4,5,6,7,8,9,10,11,12,11,13,14,15,16,17,18,
 19,20,21,22,23,18,21,24,25,22,26,27,28,29,30,31,
 32,33,34,35,36,33,37,38,39,40,41,42,43,31,44,45,
 46,38,47,48,49,35,41,48,50,42,51,52,53,54,55,56,
 57,58,59,60,61,62,63,64,65,66,67,68,69,70,63,71,
 72,73,74,75,76,66,77,78,79,80,81,82,83,56]