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A083569 as a simple table

na(n)
11
23
32
47
56
65
74
89
98
1013
1112
1211
1310
1415
1514
1621
1720
1819
1918
2017
2116
2225
2324
2423
2522
2627
2726
2831
2930
3029
3128
3235
3334
3433
3532
3637
3736
3841
3940
4039
4138
4247
4346
4445
4544
4643
4742
4849
4948
5051
5150
5255
5354
5453
5552
5657
5756
5869
5968
6067
6166
6265
6364
6463
6562
6661
6760
6859
6958
7079
7178
7277

[1,3,2,7,6,5,4,9,8,13,12,11,10,15,14,21,20,19,18,
 17,16,25,24,23,22,27,26,31,30,29,28,35,34,33,32,
 37,36,41,40,39,38,47,46,45,44,43,42,49,48,51,50,
 55,54,53,52,57,56,69,68,67,66,65,64,63,62,61,60,
 59,58,79,78,77]