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A174125 as a simple table

na(n)
01
11
21
31
48
51
61
715
815
91
101
1124
1245
1324
141
151
1635
17105
18105
1935
201
211
2248
23210
24336
25210
2648
271
281
2963
30378
31882
32882
33378
3463
351
361
3780
38630
392016
402940
412016
42630
4380
441
451
4699
47990
484158
498316
508316
514158
52990
5399
541
551
56120
571485
587920
5920790
6028512
6120790
627920
631485
64120
651

[1,1,1,1,8,1,1,15,15,1,1,24,45,24,1,1,35,105,105,
 35,1,1,48,210,336,210,48,1,1,63,378,882,882,378,
 63,1,1,80,630,2016,2940,2016,630,80,1,1,99,990,
 4158,8316,8316,4158,990,99,1,1,120,1485,7920,
 20790,28512,20790,7920,1485,120,1]