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A130993 as a simple table

na(n)
00
11
22
33
44
55
68
76
87
99
1010
1112
1213
1311
1421
1522
1619
1714
1815
1920
2018
2116
2217
2323
2424
2525
2626
2727
2831
2932
3034
3135
3236
3330
3429
3533
3628
3758
3859
3964
4062
4163
4256
4360
4451
4537
4638
4752
4839
4940
5041
5157
5261
5355
5449
5550
5653
5747
5842
5943
6054
6148
6246
6344
6445
6565
6666
6769
6867
6968
7070
7171

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