login

A061250 as a simple table

na(n)
10
20
38
4162
53072
662500
71399680
834588806
9939524096
1027894275208
11900000000000
1231384283767210
131176925259169792
1447248516628391468
152022385242251558912
1691957716979980468750
174427218577690292387840
18225009351233083599856144
1912040000871040740498079744

[0,0,8,162,3072,62500,1399680,34588806,939524096,
 27894275208,900000000000,31384283767210,
 1176925259169792,47248516628391468,
 2022385242251558912,91957716979980468750,
 4427218577690292387840,225009351233083599856144,
 12040000871040740498079744]