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A122291 as a simple table

na(n)
00
11
22
33
44
55
68
77
86
99
1010
1113
1212
1311
1421
1520
1622
1717
1818
1919
2016
2114
2215
2323
2424
2527
2626
2725
2835
2934
3036
3131
3232
3333
3430
3528
3629
3758
3859
3957
4054
4155
4264
4361
4463
4545
4646
4762
4850
4949
5048
5156
5253
5360
5444
5547
5651
5742
5837
5938
6052
6143
6241
6340
6439
6565
6666
6769
6868
6967
7077
7176

[0,1,2,3,4,5,8,7,6,9,10,13,12,11,21,20,22,17,18,
 19,16,14,15,23,24,27,26,25,35,34,36,31,32,33,30,
 28,29,58,59,57,54,55,64,61,63,45,46,62,50,49,48,
 56,53,60,44,47,51,42,37,38,52,43,41,40,39,65,66,
 69,68,67,77,76]