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A186385 as a simple table

na(n)
13
26
38
49
511
613
714
816
918
1019
1121
1222
1323
1425
1526
1628
1729
1830
1932
2033
2135
2236
2337
2439
2540
2641
2742
2844
2945
3046
3148
3249
3350
3451
3553
3654
3755
3857
3958
4059
4160
4262
4363
4464
4565
4666
4768
4869
4970
5071
5173
5274
5375
5476
5577
5679
5780
5881
5982
6084
6185
6286
6387
6488
6590
6691

[3,6,8,9,11,13,14,16,18,19,21,22,23,25,26,28,29,
 30,32,33,35,36,37,39,40,41,42,44,45,46,48,49,50,
 51,53,54,55,57,58,59,60,62,63,64,65,66,68,69,70,
 71,73,74,75,76,77,79,80,81,82,84,85,86,87,88,90,
 91]