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A098572 as a simple table

na(n)
11
22
33
45
56
67
79
810
911
1013
1114
1215
1316
1418
1519
1620
1721
1822
1923
2025
2126
2227
2328
2429
2530
2631
2733
2834
2935
3036
3137
3238
3339
3440
3542
3643
3744
3845
3946
4047
4148
4249
4350
4451
4553
4654
4755
4856
4957
5058
5159
5260
5361
5462
5563
5664
5765
5867
5968
6069
6170
6271
6372
6473
6574
6675
6776
6877
6978
7079

[1,2,3,5,6,7,9,10,11,13,14,15,16,18,19,20,21,22,
 23,25,26,27,28,29,30,31,33,34,35,36,37,38,39,40,
 42,43,44,45,46,47,48,49,50,51,53,54,55,56,57,58,
 59,60,61,62,63,64,65,67,68,69,70,71,72,73,74,75,
 76,77,78,79]