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A081467 as a simple table

na(n)
12
25
35
411
59
69
713
823
917
1014
1121
1220
1325
1421
1520
1647
1733
1826
1937
2035
2127
2233
2345
2439
2549
2638
2753
2835
2957
3045
3161
3295
3344
3450
3549
3644
3773
3857
3951
4055
4181
4262
4385
4476
4554
4669
4793
4880
4997
5074
5168
5291
53105
5481
5565
56104
5775
5886
59117
6075

[2,5,5,11,9,9,13,23,17,14,21,20,25,21,20,47,33,26,
 37,35,27,33,45,39,49,38,53,35,57,45,61,95,44,50,
 49,44,73,57,51,55,81,62,85,76,54,69,93,80,97,74,
 68,91,105,81,65,104,75,86,117,75]