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A287440 as a simple table

na(n)
11
22
35
46
57
68
79
811
913
1014
1117
1218
1319
1420
1521
1624
1725
1826
1928
2029
2130
2231
2332
2434
2535
2636
2738
2839
2941
3043
3144
3247
3348
3449
3550
3651
3754
3855
3956
4057
4158
4260
4362
4463
4566
4667
4768
4870
4971
5072
5174
5275
5378
5479
5580
5681
5782
5885
5986
6087
6189
6290
6391
6493
6594
6697

[1,2,5,6,7,8,9,11,13,14,17,18,19,20,21,24,25,26,
 28,29,30,31,32,34,35,36,38,39,41,43,44,47,48,49,
 50,51,54,55,56,57,58,60,62,63,66,67,68,70,71,72,
 74,75,78,79,80,81,82,85,86,87,89,90,91,93,94,97]