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A038455 as a simple table

na(n)
11
23
31
420
59
61
7210
8107
918
101
113024
121650
13335
1430
151
1655440
1731594
187155
19805
2045
211
221235520
23725592
24176554
2522785
261645
2763
281
2932432400
3019471500
314985316
32705649
3359640
343010
3584
361
37980179200
38598482000
39159168428
4024083892
412267769
42136080
435082
44108
451

[1,3,1,20,9,1,210,107,18,1,3024,1650,335,30,1,
 55440,31594,7155,805,45,1,1235520,725592,176554,
 22785,1645,63,1,32432400,19471500,4985316,705649,
 59640,3010,84,1,980179200,598482000,159168428,
 24083892,2267769,136080,5082,108,1]