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A005767 as a simple table

na(n)
13
26
37
49
511
612
713
814
915
1017
1118
1219
1321
1422
1523
1624
1725
1826
1927
2028
2129
2230
2331
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
5465
5566
5667
5768
5869
5970
6071
6172
6273
6374
6475
6576
6677
6778
6879
6981
7082
7183
7284
7385

[3,6,7,9,11,12,13,14,15,17,18,19,21,22,23,24,25,
 26,27,28,29,30,31,33,34,35,36,37,38,39,41,42,43,
 44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,
 60,61,62,63,65,66,67,68,69,70,71,72,73,74,75,76,
 77,78,79,81,82,83,84,85]