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A367728 as a simple table

na(n)
01
11
23
32
45
53
67
74
89
95
101
116
1213
137
143
158
1617
179
1819
192
2021
212
2223
2324
2425
2526
2627
2728
2829
2930
3031
318
323
3317
345
359
3637
3719
3839
3910
4041
4142
4243
434
4445
4546
4647
4748
4849
4950
5051
5126
5253
5327
545
5528
5657
5729
5859
5930
6061
6162
6263
6364
6413
656
6667
6768
6869
6914
7071
719

[1,1,3,2,5,3,7,4,9,5,1,6,13,7,3,8,17,9,19,2,21,2,
 23,24,25,26,27,28,29,30,31,8,3,17,5,9,37,19,39,10,
 41,42,43,4,45,46,47,48,49,50,51,26,53,27,5,28,57,
 29,59,30,61,62,63,64,13,6,67,68,69,14,71,9]