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A063659 as a simple table

na(n)
11
22
33
43
55
66
77
86
98
1010
1111
129
1313
1414
1515
1612
1717
1816
1919
2015
2121
2222
2323
2418
2524
2626
2724
2821
2929
3030
3131
3224
3333
3434
3535
3624
3737
3838
3939
4030
4141
4242
4343
4433
4540
4646
4747
4836
4948
5048
5151
5239
5353
5448
5555
5642
5757
5858
5959
6045
6161
6262
6356
6448
6565
6666
6767
6851
6969
7070
7171
7248

[1,2,3,3,5,6,7,6,8,10,11,9,13,14,15,12,17,16,19,
 15,21,22,23,18,24,26,24,21,29,30,31,24,33,34,35,
 24,37,38,39,30,41,42,43,33,40,46,47,36,48,48,51,
 39,53,48,55,42,57,58,59,45,61,62,56,48,65,66,67,
 51,69,70,71,48]