login

A175925 as a simple table

na(n)
01
16
230
3168
41080
57920
665520
7604800
86168960
968947200
10838252800
1111017036800
12155675520000
132353813862400
1437922556672000
15648606486528000
1611737685127168000
17224083079700480000
184500868715126784000

[1,6,30,168,1080,7920,65520,604800,6168960,
 68947200,838252800,11017036800,155675520000,
 2353813862400,37922556672000,648606486528000,
 11737685127168000,224083079700480000,
 4500868715126784000]