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A048107 as a simple table

na(n)
11
22
33
44
55
66
77
89
910
1011
1112
1213
1314
1415
1517
1618
1719
1820
1921
2022
2123
2225
2326
2428
2529
2630
2731
2833
2934
3035
3137
3238
3339
3441
3542
3643
3744
3845
3946
4047
4149
4250
4351
4452
4553
4655
4757
4858
4959
5060
5161
5262
5363
5465
5566
5667
5768
5869
5970
6071
6173
6274
6375
6476
6577
6678
6779
6882
6983
7084
7185
7286

[1,2,3,4,5,6,7,9,10,11,12,13,14,15,17,18,19,20,21,
 22,23,25,26,28,29,30,31,33,34,35,37,38,39,41,42,
 43,44,45,46,47,49,50,51,52,53,55,57,58,59,60,61,
 62,63,65,66,67,68,69,70,71,73,74,75,76,77,78,79,
 82,83,84,85,86]