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A052040 as a simple table

na(n)
11
22
33
44
55
66
77
88
99
1011
1112
1213
1314
1415
1516
1617
1718
1819
1921
2022
2123
2224
2325
2426
2527
2628
2729
2831
2934
3035
3136
3237
3338
3439
3541
3642
3743
3844
3946
4054
4156
4257
4358
4459
4561
4662
4763
4865
4966
5067
5168
5269
5372
5473
5574
5675
5776
5877
5979
6081
6182
6283
6385
6486
6587
6688
6789
6891
6992
7093
7194
7296

[1,2,3,4,5,6,7,8,9,11,12,13,14,15,16,17,18,19,21,
 22,23,24,25,26,27,28,29,31,34,35,36,37,38,39,41,
 42,43,44,46,54,56,57,58,59,61,62,63,65,66,67,68,
 69,72,73,74,75,76,77,79,81,82,83,85,86,87,88,89,
 91,92,93,94,96]