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A046913 as a simple table

na(n)
11
23
31
47
56
63
78
815
91
1018
1112
127
1314
1424
156
1631
1718
183
1920
2042
218
2236
2324
2415
2531
2642
271
2856
2930
3018
3132
3263
3312
3454
3548
367
3738
3860
3914
4090
4142
4224
4344
4484
456
4672
4748
4831
4957
5093
5118
5298
5354
543
5572
56120
5720
5890
5960
6042
6162
6296
638
64127
6584
6636
6768
68126

[1,3,1,7,6,3,8,15,1,18,12,7,14,24,6,31,18,3,20,42,
 8,36,24,15,31,42,1,56,30,18,32,63,12,54,48,7,38,
 60,14,90,42,24,44,84,6,72,48,31,57,93,18,98,54,3,
 72,120,20,90,60,42,62,96,8,127,84,36,68,126]