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A050155 as a simple table

na(n)
11
23
31
49
55
61
728
820
97
101
1190
1275
1335
149
151
16297
17275
18154
1954
2011
211
221001
231001
24637
25273
2677
2713
281
293432
303640
312548
321260
33440
34104
3515
361
3711934
3813260
399996
405508
412244
42663
43135
4417
451
4641990
4748450
4838760
4923256
5010659
513705
52950
53170
5419
551

[1,3,1,9,5,1,28,20,7,1,90,75,35,9,1,297,275,154,
 54,11,1,1001,1001,637,273,77,13,1,3432,3640,2548,
 1260,440,104,15,1,11934,13260,9996,5508,2244,663,
 135,17,1,41990,48450,38760,23256,10659,3705,950,
 170,19,1]