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A098667 as a simple table

na(n)
11
21
31
42
52
64
74
84
94
106
116
126
136
148
1510
1610
1710
1810
1910
2010
2110
2212
2312
2412
2512
2616
2716
2816
2916
3016
3116
3216
3316
3418
3518
3618
3718
3822
3922
4022
4122
4222
4322
4422
4522
4628
4728
4828
4928
5028
5128
5228
5328
5428
5528
5628
5728
5830
5930
6030
6130
6236
6336
6436
6536
6636
6736
6836
6936
7036
7136
7236
7336
7440

[1,1,1,2,2,4,4,4,4,6,6,6,6,8,10,10,10,10,10,10,10,
 12,12,12,12,16,16,16,16,16,16,16,16,18,18,18,18,
 22,22,22,22,22,22,22,22,28,28,28,28,28,28,28,28,
 28,28,28,28,30,30,30,30,36,36,36,36,36,36,36,36,
 36,36,36,36,40]