login

A165344 as a simple table

na(n)
01
120
275456
3222049714176
41446859308630697574400
547680530046593302430474043392000000
615747911603441625571224989926437024694272000000000000

[1,20,75456,222049714176,1446859308630697574400,
 47680530046593302430474043392000000,
 15747911603441625571224989926437024694272000000000\
 000]