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A391957 as a simple table

na(n)
23
31
45
513
63
77
81
99
1012
1110
127
134
146
155
1613
1741
182
193
2011
2127
2232
231
249
2532
2624
2718
287
2916
3016
3114
325
3321
3446
3531
3610
373
3819
3926
4021
416
421
4317
4425
4533
4611
472
4826
4915
5023
5111
5230
5327
5422
5513
5621
57113
5818
5921
6018
6111
6219
6383
646
6515
6614
679
6817
6933
7088
7164
729
7310
747
7515
7631

[3,1,5,13,3,7,1,9,12,10,7,4,6,5,13,41,2,3,11,27,
 32,1,9,32,24,18,7,16,16,14,5,21,46,31,10,3,19,26,
 21,6,1,17,25,33,11,2,26,15,23,11,30,27,22,13,21,
 113,18,21,18,11,19,83,6,15,14,9,17,33,88,64,9,10,
 7,15,31]