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A256543 as a simple table

na(n)
11
23
35
46
57
69
710
811
913
1014
1115
1217
1318
1419
1520
1622
1723
1826
1927
2028
2130
2231
2332
2433
2534
2635
2736
2837
2938
3039
3141
3242
3343
3444
3545
3646
3747
3848
3949
4050
4151
4252
4353
4454
4555
4656
4757
4858
4959
5060
5161
5262
5363
5464
5565
5666
5767
5868
5971
6072
6173
6274
6375
6476
6577
6678

[1,3,5,6,7,9,10,11,13,14,15,17,18,19,20,22,23,26,
 27,28,30,31,32,33,34,35,36,37,38,39,41,42,43,44,
 45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,
 61,62,63,64,65,66,67,68,71,72,73,74,75,76,77,78]