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A089857 as a simple table

na(n)
00
11
22
33
44
55
68
76
87
99
1010
1111
1212
1313
1421
1522
1619
1714
1815
1920
2016
2117
2218
2323
2424
2525
2626
2727
2828
2929
3030
3131
3232
3333
3434
3535
3636
3758
3859
3962
4063
4164
4256
4360
4451
4537
4638
4752
4839
4940
5041
5157
5261
5353
5442
5543
5654
5744
5845
5946
6055
6147
6248
6349
6450
6565
6666
6767
6868
6969
7070
7171
7272

[0,1,2,3,4,5,8,6,7,9,10,11,12,13,21,22,19,14,15,
 20,16,17,18,23,24,25,26,27,28,29,30,31,32,33,34,
 35,36,58,59,62,63,64,56,60,51,37,38,52,39,40,41,
 57,61,53,42,43,54,44,45,46,55,47,48,49,50,65,66,
 67,68,69,70,71,72]