login

A322714 as a simple table

na(n)
01
13
215
32520
445045
5102960
6232792560
75354228880
81115464350
9291136195350
1020629078984800
11144403552893600
125342931457063200
13856326196254765600
149419588158802421600
153099044504245996706400
164106233968125945635980
1716424935872503782543920

[1,3,15,2520,45045,102960,232792560,5354228880,
 1115464350,291136195350,20629078984800,
 144403552893600,5342931457063200,
 856326196254765600,9419588158802421600,
 3099044504245996706400,4106233968125945635980,
 16424935872503782543920]