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A323743 as a simple table

na(n)
11
23
34
45
55
67
78
89
98
109
1111
1212
1313
1414
1515
1610
1713
1815
1917
2018
2119
2214
2315
2417
2518
2619
2721
2822
2923
3024
3125
3226
3327
3416
3519
3620
3721
3822
3923
4025
4126
4227
4329
4430
4531
4620
4722
4824
4927
5029
5130
5231
5333
5434
5535
5636
5737
5838
5939

[1,3,4,5,5,7,8,9,8,9,11,12,13,14,15,10,13,15,17,
 18,19,14,15,17,18,19,21,22,23,24,25,26,27,16,19,
 20,21,22,23,25,26,27,29,30,31,20,22,24,27,29,30,
 31,33,34,35,36,37,38,39]