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A118012 as a simple table

na(n)
13
26
31
48
511
62
713
84
915
1018
115
1220
137
1422
159
1624
1727
1810
1929
2012
2131
2214
2333
2416
2535
2638
2717
2840
2919
3042
3121
3244
3323
3446
3525
3648
3751
3826
3953
4028
4155
4230
4357
4432
4559
4634
4761
4836
4963
5066
5137
5268
5339
5470
5541
5672
5743
5874
5945
6076
6147
6278
6349
6480
6583
6650
6785
6852
6987
7054
7189
7256

[3,6,1,8,11,2,13,4,15,18,5,20,7,22,9,24,27,10,29,
 12,31,14,33,16,35,38,17,40,19,42,21,44,23,46,25,
 48,51,26,53,28,55,30,57,32,59,34,61,36,63,66,37,
 68,39,70,41,72,43,74,45,76,47,78,49,80,83,50,85,
 52,87,54,89,56]