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A130936 as a simple table

na(n)
00
11
22
33
44
55
67
76
88
99
1010
1112
1211
1313
1417
1518
1616
1714
1815
1920
2021
2119
2222
2323
2424
2526
2625
2727
2831
2932
3030
3128
3229
3334
3435
3533
3636
3745
3846
3948
4049
4150
4244
4347
4442
4537
4638
4743
4840
4939
5041
5154
5255
5357
5458
5559
5653
5756
5851
5952
6061
6162
6263
6360
6464
6565
6666
6768
6867
6969
7073
7174

[0,1,2,3,4,5,7,6,8,9,10,12,11,13,17,18,16,14,15,
 20,21,19,22,23,24,26,25,27,31,32,30,28,29,34,35,
 33,36,45,46,48,49,50,44,47,42,37,38,43,40,39,41,
 54,55,57,58,59,53,56,51,52,61,62,63,60,64,65,66,
 68,67,69,73,74]