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A157743 as a simple table

na(n)
01
12
21
37
46
51
628
730
824
91
10131
11162
12153
13120
141
15746
16918
171050
18922
19720
201
215097
225826
237332
247578
256459
265040
271
2840440
2943158
3053856
3163420
3261224
3351678
3440320
351
36363127
37372546
38435279
39547180
40592245
41552498
42465109
43362880
441
453629302

[1,2,1,7,6,1,28,30,24,1,131,162,153,120,1,746,918,
 1050,922,720,1,5097,5826,7332,7578,6459,5040,1,
 40440,43158,53856,63420,61224,51678,40320,1,
 363127,372546,435279,547180,592245,552498,465109,
 362880,1,3629302]