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A306528 as a simple table

na(n)
11
22
33
44
55
67
78
89
910
1011
1113
1214
1316
1417
1519
1620
1722
1823
1925
2026
2127
2228
2329
2431
2532
2634
2735
2837
2938
3040
3141
3242
3343
3444
3546
3647
3749
3850
3952
4053
4156
4258
4359
4461
4562
4664
4765
4867
4968
5070
5171
5273
5374
5476
5577
5678
5779
5880
5981
6082
6183
6284
6385
6486
6588
6689
6792
6894
6997
7098
71100

[1,2,3,4,5,7,8,9,10,11,13,14,16,17,19,20,22,23,25,
 26,27,28,29,31,32,34,35,37,38,40,41,42,43,44,46,
 47,49,50,52,53,56,58,59,61,62,64,65,67,68,70,71,
 73,74,76,77,78,79,80,81,82,83,84,85,86,88,89,92,
 94,97,98,100]