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A032907 as a simple table

na(n)
11
22
33
44
55
66
77
88
99
1010
1111
1220
1321
1422
1530
1631
1732
1833
1940
2041
2142
2243
2344
2450
2551
2652
2753
2854
2955
3060
3161
3262
3363
3464
3565
3666
3770
3871
3972
4073
4174
4275
4376
4477
4580
4681
4782
4883
4984
5085
5186
5287
5388
5490
5591
5692
5793
5894
5995
6096
6197
6298
6399
64110
65111
66120

[1,2,3,4,5,6,7,8,9,10,11,20,21,22,30,31,32,33,40,
 41,42,43,44,50,51,52,53,54,55,60,61,62,63,64,65,
 66,70,71,72,73,74,75,76,77,80,81,82,83,84,85,86,
 87,88,90,91,92,93,94,95,96,97,98,99,110,111,120]