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A127381 as a simple table

na(n)
00
11
22
33
44
55
66
78
87
99
1010
1111
1213
1312
1414
1515
1619
1722
1818
1916
2021
2117
2220
2323
2424
2525
2627
2726
2828
2929
3033
3136
3232
3330
3435
3531
3634
3737
3838
3939
4041
4140
4251
4352
4460
4564
4646
4747
4859
4950
5049
5142
5243
5356
5463
5555
5644
5758
5845
5948
6053
6162
6254
6361
6457
6565
6666
6767
6869
6968
7070
7171

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