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A340791 as a simple table

na(n)
11
22
33
44
52
65
76
83
97
108
114
129
133
1410
155
1611
1712
186
194
2013
2114
227
2315
245
2516
268
274
2817
2918
309
316
3219
3320
3410
355
3621
377
3822
3911
4023
4124
4212
438
446
4525
465
4726
4813
4927
509
5128
5214
537
5429
5530
5615
5710
586
5931
6032
6116
628
6333
6411
6534
6617
6735
687
6936
7018
7112
729
736
7437
7538
7619

[1,2,3,4,2,5,6,3,7,8,4,9,3,10,5,11,12,6,4,13,14,7,
 15,5,16,8,4,17,18,9,6,19,20,10,5,21,7,22,11,23,24,
 12,8,6,25,5,26,13,27,9,28,14,7,29,30,15,10,6,31,
 32,16,8,33,11,34,17,35,7,36,18,12,9,6,37,38,19]