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A117804 as a simple table

na(n)
11
22
33
44
55
66
77
88
99
1010
1112
1214
1316
1418
1520
1622
1724
1826
1928
2030
2132
2234
2336
2438
2540
2642
2744
2846
2948
3050
3152
3254
3356
3458
3560
3662
3764
3866
3968
4070
4172
4274
4376
4478
4580
4682
4784
4886
4988
5090
5192
5294
5396
5498
55100
56102
57104
58106
59108
60110
61112
62114
63116
64118
65120

[1,2,3,4,5,6,7,8,9,10,12,14,16,18,20,22,24,26,28,
 30,32,34,36,38,40,42,44,46,48,50,52,54,56,58,60,
 62,64,66,68,70,72,74,76,78,80,82,84,86,88,90,92,
 94,96,98,100,102,104,106,108,110,112,114,116,118,
 120]