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A073210 as a simple table

na(n)
00
11
22
33
44
56
67
75
88
99
1010
1114
1216
1319
1417
1520
1612
1711
1813
1921
2018
2115
2222
2323
2424
2525
2626
2727
2837
2938
3042
3144
3247
3351
3453
3556
3660
3745
3846
3954
4057
4161
4231
4334
4430
4528
4629
4735
4833
4932
5036
5158
5262
5349
5448
5559
5640
5743
5839
5952
6063
6155
6250
6341
6464
6565
6666
6767
6868
6969
7070
7171

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