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A100806 as a simple table

na(n)
11
22
33
44
55
67
76
88
99
1011
1110
1213
1312
1415
1516
1614
1717
1819
1918
2021
2122
2223
2320
2425
2524
2627
2726
2829
2928
3032
3130
3231
3334
3435
3536
3637
3733
3839
3940
4041
4138
4244
4342
4445
4546
4647
4743
4849
4948
5051
5152
5253
5350
5455
5556
5657
5758
5859
5954
6062
6160
6263
6364
6461
6566
6668
6765
6869
6970
7072
7167
7273

[1,2,3,4,5,7,6,8,9,11,10,13,12,15,16,14,17,19,18,
 21,22,23,20,25,24,27,26,29,28,32,30,31,34,35,36,
 37,33,39,40,41,38,44,42,45,46,47,43,49,48,51,52,
 53,50,55,56,57,58,59,54,62,60,63,64,61,66,68,65,
 69,70,72,67,73]