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A051534 as a simple table

na(n)
11
22
33
44
55
66
77
88
99
1010
1111
1213
1315
1417
1519
1620
1721
1823
1925
2026
2127
2229
2330
2431
2533
2635
2737
2839
2940
3041
3143
3245
3347
3448
3549
3651
3753
3855
3957
4059
4160
4261
4363
4464
4565
4667
4769
4871
4973
5075
5177
5279
5380
5481
5583
5685
5786
5887
5989
6090
6191
6293
6395
6497
6599
66100
67103
68111
69115
70119

[1,2,3,4,5,6,7,8,9,10,11,13,15,17,19,20,21,23,25,
 26,27,29,30,31,33,35,37,39,40,41,43,45,47,48,49,
 51,53,55,57,59,60,61,63,64,65,67,69,71,73,75,77,
 79,80,81,83,85,86,87,89,90,91,93,95,97,99,100,103,
 111,115,119]