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A338698 as a simple table

na(n)
00
11
22
33
44
55
67
76
88
911
1010
119
1212
1313
1418
1516
1615
1720
1814
1919
2017
2121
2229
2326
2424
2532
2623
2731
2830
2922
3028
3127
3225
3333
3434
3547
3642
3739
3852
3937
4050
4149
4236
4348
4445
4544
4654
4735
4843
4941
5040
5153
5238
5351
5446
5555
5676
5768
5863
5984
6060
6181
6279
6358
6478
6577
6673
6787

[0,1,2,3,4,5,7,6,8,11,10,9,12,13,18,16,15,20,14,
 19,17,21,29,26,24,32,23,31,30,22,28,27,25,33,34,
 47,42,39,52,37,50,49,36,48,45,44,54,35,43,41,40,
 53,38,51,46,55,76,68,63,84,60,81,79,58,78,77,73,
 87]