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A120067 as a simple table

na(n)
11
22
33
46
55
64
77
88
910
109
1111
1212
1313
1415
1514
1616
1717
1818
1919
2020
2122
2221
2323
2424
2526
2625
2727
2828
2929
3030
3131
3232
3334
3433
3538
3636
3737
3835
3946
4040
4141
4242
4343
4444
4545
4639
4747
4848
4951
5050
5149
5252
5353
5454
5557
5656
5755
5862
5959
6060
6161
6258
6363
6464
6569
6666
6767
6868
6965
7070
7171
7272

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