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A291442 as a simple table

na(n)
11
22
33
44
55
66
77
88
99
1010
1111
1212
1313
1415
1516
1617
1718
1819
1920
2022
2123
2224
2325
2427
2529
2630
2731
2832
2933
3036
3137
3240
3341
3444
3545
3647
3748
3849
3950
4053
4154
4255
4359
4460
4561
4662
4764
4866
4967
5071
5172
5275
5379
5480
5581
5683
5788
5889
5990
6091
6193
6296
6397
6499
65100
66103
67108

[1,2,3,4,5,6,7,8,9,10,11,12,13,15,16,17,18,19,20,
 22,23,24,25,27,29,30,31,32,33,36,37,40,41,44,45,
 47,48,49,50,53,54,55,59,60,61,62,64,66,67,71,72,
 75,79,80,81,83,88,89,90,91,93,96,97,99,100,103,
 108]