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A032994 as a simple table

na(n)
11
22
33
44
55
66
77
88
99
1010
1111
1217
1318
1419
1520
1621
1722
1823
1930
2031
2132
2233
2334
2435
2543
2644
2745
2846
2947
3048
3156
3257
3358
3459
3560
3661
3769
3870
3971
4072
4173
4274
4382
4483
4584
4685
4786
4887
4995
5096
5197
5298
5399
54100
55108
56109
57110
58111
59112
60113
61120

[1,2,3,4,5,6,7,8,9,10,11,17,18,19,20,21,22,23,30,
 31,32,33,34,35,43,44,45,46,47,48,56,57,58,59,60,
 61,69,70,71,72,73,74,82,83,84,85,86,87,95,96,97,
 98,99,100,108,109,110,111,112,113,120]