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A262991 as a simple table

na(n)
10
22
32
44
53
65
75
86
96
107
117
129
138
1410
1510
1611
1711
1812
1912
2014
2113
2215
2315
2416
2516
2617
2717
2818
2917
3019
3119
3220
3320
3422
3522
3623
3723
3825
3925
4026
4126
4228
4328
4430
4529
4630
4730
4831
4931
5031
5131
5233
5332
5433
5533
5634
5734
5836
5936
6038
6137
6239
6339
6439
6539
6641
6741
6843

[0,2,2,4,3,5,5,6,6,7,7,9,8,10,10,11,11,12,12,14,
 13,15,15,16,16,17,17,18,17,19,19,20,20,22,22,23,
 23,25,25,26,26,28,28,30,29,30,30,31,31,31,31,33,
 32,33,33,34,34,36,36,38,37,39,39,39,39,41,41,43]