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A166250 as a simple table

na(n)
22
33
45
55
68
77
811
911
1014
1111
1217
1313
1420
1519
1623
1717
1826
1919
2029
2127
2232
2323
2435
2529
2638
2735
2841
2929
3044
3131
3247
3343
3450
3541
3653
3737
3856
3951
4059
4141
4262
4343
4465
4559
4668
4747
4871
4955
5074
5167
5277
5353
5480
5565
5683
5775
5886
5959
6089
6161
6292
6383
6495
6577
6698
6767
68101
6991
70104
7171
72107

[2,3,5,5,8,7,11,11,14,11,17,13,20,19,23,17,26,19,
 29,27,32,23,35,29,38,35,41,29,44,31,47,43,50,41,
 53,37,56,51,59,41,62,43,65,59,68,47,71,55,74,67,
 77,53,80,65,83,75,86,59,89,61,92,83,95,77,98,67,
 101,91,104,71,107]