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A080782 as a simple table

na(n)
11
23
32
44
56
65
77
89
98
1010
1112
1211
1313
1415
1514
1616
1718
1817
1919
2021
2120
2222
2324
2423
2525
2627
2726
2828
2930
3029
3131
3233
3332
3434
3536
3635
3737
3839
3938
4040
4142
4241
4343
4445
4544
4646
4748
4847
4949
5051
5150
5252
5354
5453
5555
5657
5756
5858
5960
6059
6161
6263
6362
6464
6566
6665
6767
6869
6968

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