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A068569 as a simple table

na(n)
111
213
317
418
521
623
726
828
930
1031
1132
1243
1345
1447
1548
1652
1755
1857
1958
2064
2168
2270
2377
2486
2588
2691
2794
28113
29118
30119
31121
32122
33123
34124
35127
36129
37135
38137
39139
40140
41145
42153
43154
44155
45157
46159
47160
48166
49169
50171
51174
52175
53179
54180
55181
56182
57186

[11,13,17,18,21,23,26,28,30,31,32,43,45,47,48,52,
 55,57,58,64,68,70,77,86,88,91,94,113,118,119,121,
 122,123,124,127,129,135,137,139,140,145,153,154,
 155,157,159,160,166,169,171,174,175,179,180,181,
 182,186]