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A122311 as a simple table

na(n)
00
11
22
33
44
55
66
78
87
99
1010
1111
1212
1313
1414
1515
1619
1722
1821
1916
2020
2117
2218
2323
2424
2525
2626
2727
2828
2929
3030
3131
3232
3333
3434
3536
3635
3737
3838
3939
4040
4141
4251
4352
4460
4564
4663
4756
4862
4958
5059
5142
5243
5353
5461
5557
5644
5754
5845
5946
6047
6155
6248
6349
6450
6565
6666
6767
6868
6969
7070
7171

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