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A258915 as a simple table

na(n)
10
20
346
443
540
653
735
849
940
1038
1144
1252
1335
1445
1549
1642
1738
1857
1927
2045
2138
2247
2337
2452
2533
2645
2756
2838
2936
3065
3129
3256
3348
3440
3538
3658
3737
3833
3957
4040
4137
4261
4341
4439
4537
4644
4736
4855
4947
5043
5147
5243
5335
5462
5543
5646
5729
5835
5937
6056
6139
6241
6346
6448
6539
6674
6745
6834
6934
7035
7134
7267

[0,0,46,43,40,53,35,49,40,38,44,52,35,45,49,42,38,
 57,27,45,38,47,37,52,33,45,56,38,36,65,29,56,48,
 40,38,58,37,33,57,40,37,61,41,39,37,44,36,55,47,
 43,47,43,35,62,43,46,29,35,37,56,39,41,46,48,39,
 74,45,34,34,35,34,67]