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A122320 as a simple table

na(n)
00
11
22
33
44
55
67
78
86
99
1010
1111
1212
1313
1417
1518
1620
1721
1822
1916
2014
2115
2219
2323
2424
2525
2626
2727
2828
2929
3030
3131
3232
3333
3435
3536
3634
3745
3846
3948
4049
4150
4254
4355
4457
4558
4659
4761
4862
4963
5064
5144
5247
5342
5437
5538
5643
5739
5840
5941
6053
6151
6256
6360
6452
6565
6666
6767
6868
6969
7070
7171

[0,1,2,3,4,5,7,8,6,9,10,11,12,13,17,18,20,21,22,
 16,14,15,19,23,24,25,26,27,28,29,30,31,32,33,35,
 36,34,45,46,48,49,50,54,55,57,58,59,61,62,63,64,
 44,47,42,37,38,43,39,40,41,53,51,56,60,52,65,66,
 67,68,69,70,71]