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A073196 as a simple table

na(n)
00
11
22
33
44
56
67
75
88
99
1010
1114
1216
1319
1417
1521
1612
1711
1815
1918
2013
2120
2222
2323
2424
2525
2626
2727
2837
2938
3042
3144
3253
3351
3456
3547
3660
3745
3846
3958
4049
4159
4231
4334
4430
4528
4629
4740
4839
4943
5052
5148
5262
5335
5433
5541
5657
5732
5854
5963
6055
6136
6261
6350
6464
6565
6666
6767
6868
6969
7070
7171

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