login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)

A006523 as a simple table

n a(n)
1 2
2 240
3 725760
4 12454041600
5 711374856192000
6 102181884343418880000
7 31022420086661971968000000
8 17683523987479403909087232000000
9 17366635237623772991036388802560000000

[2,240,725760,12454041600,711374856192000,
 102181884343418880000,31022420086661971968000000,
 17683523987479403909087232000000,
 17366635237623772991036388802560000000]

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 16 09:28 EDT 2021. Contains 343940 sequences. (Running on oeis4.)