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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

A122511 as a simple table

na(n)
10
20
30
40
5113400
6134719200
7206367361200
8441231126336000
91314804135572928000
105371366122198236160000
1129519910833205467394720000
12214250468144929272764547840000

[0,0,0,0,113400,134719200,206367361200,
 441231126336000,1314804135572928000,
 5371366122198236160000,29519910833205467394720000,
 214250468144929272764547840000]