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A113221 as a simple table

na(n)
00
11
22
33
44
55
66
77
88
99
1010
1111
1212
1313
1414
1515
1616
1717
1821
1923
2019
2125
2218
2327
2420
2529
2622
2726
2828
2924
3030
3131
3232
3333
3441
3535
3643
3745
3837
3947
4039
4149
4234
4342
4436
4544
4646
4738
4848
4940
5061
5151
5263
5353
5465
5567
5655
5769
5857
5958
6059
6160
6250
6362
6464
6552
6681
6754
6883
6956
7085
7171
7287

[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,21,
 23,19,25,18,27,20,29,22,26,28,24,30,31,32,33,41,
 35,43,45,37,47,39,49,34,42,36,44,46,38,48,40,61,
 51,63,53,65,67,55,69,57,58,59,60,50,62,64,52,81,
 54,83,56,85,71,87]