login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

A319893 as a simple table

na(n)
110
290
3720
45040
530240
6151200
7604800
81814400
93628800
103628800
113628780
123628420
133621960
143512520
151768320
16-24278400
17-387072000
18-5075481600
19-60945696000
20-670438944000
21-670438943970
22-670438943130
23-670438919640
24-670438286280
25-670421843280

[10,90,720,5040,30240,151200,604800,1814400,
 3628800,3628800,3628780,3628420,3621960,3512520,
 1768320,-24278400,-387072000,-5075481600,
 -60945696000,-670438944000,-670438943970,
 -670438943130,-670438919640,-670438286280,
 -670421843280]