login

A124902 as a simple table

na(n)
11
21
31
41
56
610
7120
835
9280
104536
11362880
125775
1339916800
1424710400
158408400
162627625
171307674368000
182858856000
19355687428096000
2015277011750
214345461120000
224989349821456000
2351090942171709440000
2445092646348750
25242362656927046656

[1,1,1,1,6,10,120,35,280,4536,362880,5775,
 39916800,24710400,8408400,2627625,1307674368000,
 2858856000,355687428096000,15277011750,
 4345461120000,4989349821456000,
 51090942171709440000,45092646348750,
 242362656927046656]