login

A090531 as a simple table

na(n)
14
24
36
472
5240
612240
735280
8241920
91088640
1050803200
111157587200
1214370048000
13298896998400
142353813862400
1511769069312000
16502146957312000
174268249137152000
18621030249455616000
199488317831888896000

[4,4,6,72,240,12240,35280,241920,1088640,50803200,
 1157587200,14370048000,298896998400,2353813862400,
 11769069312000,502146957312000,4268249137152000,
 621030249455616000,9488317831888896000]