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A375395 as a simple table

na(n)
01
11
22
37
432
5180
61210
79520
885680
9867160
109749600
11120582000
121626994600
1323782158400
14374367193200
156314037129400
16113591474796800
172171267969270400
1843944509528920000
19938808209417478400
2021111813400597920000
21498498097342637392000

[1,1,2,7,32,180,1210,9520,85680,867160,9749600,
 120582000,1626994600,23782158400,374367193200,
 6314037129400,113591474796800,2171267969270400,
 43944509528920000,938808209417478400,
 21111813400597920000,498498097342637392000]