login

A063412 as a simple table

na(n)
10
20
30
40
50
63413114880
727741797744640
81358238417577574400
9158642247173060689920000
1019305274051251991346235310080
1112592116839628085308180342547415040

[0,0,0,0,0,3413114880,27741797744640,
 1358238417577574400,158642247173060689920000,
 19305274051251991346235310080,
 12592116839628085308180342547415040]