login

A165644 as a simple table

na(n)
12
216
32592
415925248
55971968000000
6200612260085760000000
7832672625439347520307200000000
8563267516889491698929453880049664000000000

[2,16,2592,15925248,5971968000000,
 200612260085760000000,
 832672625439347520307200000000,
 563267516889491698929453880049664000000000]