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A286758 as a simple table

na(n)
11
22
33
45
57
68
711
812
913
1014
1115
1217
1318
1419
1520
1621
1722
1823
1924
2026
2127
2228
2329
2430
2531
2632
2733
2834
2935
3036
3137
3238
3339
3440
3541
3642
3743
3844
3946
4047
4149
4251
4352
4453
4554
4655
4756
4857
4958
5059
5160
5261
5362
5463
5565
5666
5767
5868
5969
6070
6171
6272
6373
6474
6575
6676
6777

[1,2,3,5,7,8,11,12,13,14,15,17,18,19,20,21,22,23,
 24,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,
 41,42,43,44,46,47,49,51,52,53,54,55,56,57,58,59,
 60,61,62,63,65,66,67,68,69,70,71,72,73,74,75,76,
 77]