login

A245798 as a simple table

na(n)
01
11
22
34
412
536
6120
7360
8960
93840
1013824
1141472
12152064
13506880
142280960
157983360
1629937600
1799792000
18266112000
191197504000
204790016000
2119160064000
2273156608000
23219469824000
241009561190400
253533464166400
2612563428147200
2754441521971200
28155547205632000

[1,1,2,4,12,36,120,360,960,3840,13824,41472,
 152064,506880,2280960,7983360,29937600,99792000,
 266112000,1197504000,4790016000,19160064000,
 73156608000,219469824000,1009561190400,
 3533464166400,12563428147200,54441521971200,
 155547205632000]