login

A228159 as a simple table

na(n)
00
11
22
36
448
5360
64320
760480
81008000
918869760
10410054400
119859449600
12262492876800
137634327500800
14241483866624000
158237040844032000
16301832166924288000
1711812023799640064000
18492028821658902528000
1921728004544824754176000
201014150336304416030720000

[0,1,2,6,48,360,4320,60480,1008000,18869760,
 410054400,9859449600,262492876800,7634327500800,
 241483866624000,8237040844032000,
 301832166924288000,11812023799640064000,
 492028821658902528000,21728004544824754176000,
 1014150336304416030720000]