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A039698 as a simple table

na(n)
11
22
33
44
55
66
77
88
99
1010
1111
1212
1313
1414
1517
1618
1719
1821
1922
2023
2126
2227
2328
2429
2531
2632
2734
2836
2937
3038
3140
3241
3342
3443
3546
3647
3748
3849
3953
4054
4155
4257
4358
4459
4560
4661
4762
4863
4967
5071
5173
5274
5375
5476
5577
5679
5782
5883
5986
6088
6189
6291
6393
6494
6595
6697
6798
6899
69100
70101
71103

[1,2,3,4,5,6,7,8,9,10,11,12,13,14,17,18,19,21,22,
 23,26,27,28,29,31,32,34,36,37,38,40,41,42,43,46,
 47,48,49,53,54,55,57,58,59,60,61,62,63,67,71,73,
 74,75,76,77,79,82,83,86,88,89,91,93,94,95,97,98,
 99,100,101,103]