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A052629 as a simple table

na(n)
01
14
234
3438
47536
5162120
64185360
7126060480
84339278720
9168038478720
107230318681600
11342214829510400
1217669683572710400
13988372892015308800
1459538455210371737600
153842709218808235776000
16264549049753191211008000

[1,4,34,438,7536,162120,4185360,126060480,
 4339278720,168038478720,7230318681600,
 342214829510400,17669683572710400,
 988372892015308800,59538455210371737600,
 3842709218808235776000,264549049753191211008000]