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A256827 as a simple table

na(n)
11
23
34
46
57
68
79
811
912
1013
1114
1215
1317
1418
1519
1620
1721
1822
1924
2025
2126
2227
2328
2429
2530
2631
2733
2834
2935
3036
3137
3238
3339
3440
3541
3642
3744
3845
3946
4047
4148
4249
4350
4451
4552
4653
4755
4856
4957
5058
5159
5260
5361
5462
5563
5664
5765
5866
5967
6069
6170
6271

[1,3,4,6,7,8,9,11,12,13,14,15,17,18,19,20,21,22,
 24,25,26,27,28,29,30,31,33,34,35,36,37,38,39,40,
 41,42,44,45,46,47,48,49,50,51,52,53,55,56,57,58,
 59,60,61,62,63,64,65,66,67,69,70,71]