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A197128 as a simple table

na(n)
12
23
35
47
58
610
711
812
913
1015
1117
1218
1319
1420
1521
1623
1724
1826
1927
2028
2129
2231
2332
2433
2535
2637
2739
2840
2941
3043
3144
3245
3347
3448
3550
3651
3752
3853
3955
4057
4158
4259
4360
4461
4563
4665
4767
4868
4971
5072
5173
5274
5375
5476
5577
5679
5780
5882
5983
6084
6185
6288
6389
6490
6591
6692

[2,3,5,7,8,10,11,12,13,15,17,18,19,20,21,23,24,26,
 27,28,29,31,32,33,35,37,39,40,41,43,44,45,47,48,
 50,51,52,53,55,57,58,59,60,61,63,65,67,68,71,72,
 73,74,75,76,77,79,80,82,83,84,85,88,89,90,91,92]