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A064807 as a simple table

na(n)
11
22
33
44
55
66
77
88
99
1010
1112
1218
1319
1420
1521
1624
1727
1828
1930
2036
2137
2238
2339
2440
2542
2645
2746
2848
2950
3054
3155
3256
3357
3460
3563
3664
3766
3870
3972
4073
4174
4275
4376
4478
4580
4681
4782
4884
4990
5091
5192
5293
5395
5496
5599
56100
57102
58108
59109
60110
61111
62112
63114
64117
65118

[1,2,3,4,5,6,7,8,9,10,12,18,19,20,21,24,27,28,30,
 36,37,38,39,40,42,45,46,48,50,54,55,56,57,60,63,
 64,66,70,72,73,74,75,76,78,80,81,82,84,90,91,92,
 93,95,96,99,100,102,108,109,110,111,112,114,117,
 118]