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A175354 as a simple table

na(n)
11
22
35
46
58
69
710
811
912
1014
1115
1216
1317
1418
1520
1621
1722
1823
1924
2026
2127
2228
2329
2430
2532
2633
2734
2835
2936
3037
3138
3240
3341
3442
3544
3645
3746
3847
3949
4050
4151
4252
4353
4454
4555
4656
4757
4858
4959
5060
5161
5262
5363
5464
5565
5666
5767
5868
5969
6070
6171
6272
6373
6474
6575
6676
6777
6878
6979
7080
7181

[1,2,5,6,8,9,10,11,12,14,15,16,17,18,20,21,22,23,
 24,26,27,28,29,30,32,33,34,35,36,37,38,40,41,42,
 44,45,46,47,49,50,51,52,53,54,55,56,57,58,59,60,
 61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,
 77,78,79,80,81]