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A063917 as a simple table

na(n)
11
22
33
44
55
66
77
88
96
105
1111
1212
1313
147
1515
168
1717
186
1919
208
2121
2211
2323
2412
2520
2613
279
287
2929
3015
3131
3214
3333
3417
3510
3612
3737
3819
3939
408
4141
4221
4343
4411
4515
4623
4747
4818
4928
5020
5151
5213
5353
549
5511
5610
5757
5829
5959
6015
6161
6231
6321
6416
6513
6633
6767
6817
6969

[1,2,3,4,5,6,7,8,6,5,11,12,13,7,15,8,17,6,19,8,21,
 11,23,12,20,13,9,7,29,15,31,14,33,17,10,12,37,19,
 39,8,41,21,43,11,15,23,47,18,28,20,51,13,53,9,11,
 10,57,29,59,15,61,31,21,16,13,33,67,17,69]