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A242367 as a simple table

na(n)
11
22
33
44
55
66
77
88
99
1010
1112
1214
1316
1418
1521
1623
1725
1827
1929
2030
2132
2234
2336
2438
2541
2643
2745
2847
2949
3050
3152
3254
3356
3458
3561
3663
3765
3867
3969
4070
4172
4274
4376
4478
4581
4683
4785
4887
4989
5090
5192
5294
5396
5498
55110
56112
57114
58116
59118
60130
61132
62134
63136
64138

[1,2,3,4,5,6,7,8,9,10,12,14,16,18,21,23,25,27,29,
 30,32,34,36,38,41,43,45,47,49,50,52,54,56,58,61,
 63,65,67,69,70,72,74,76,78,81,83,85,87,89,90,92,
 94,96,98,110,112,114,116,118,130,132,134,136,138]