login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

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

A081993 as a simple table

n a(n)
1 1
2 55
3 3330
4 5833350
5 11199999998880
6 642096000000065520
7 84083999999999159160
8 853092240000000006366360
9 21033492480000000001383782400
10 181960466688000000000107035568640 

[1,55,3330,5833350,11199999998880,
 642096000000065520,84083999999999159160,
 853092240000000006366360,
 21033492480000000001383782400,
 181960466688000000000107035568640]

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 19 08:28 EDT 2024. Contains 371782 sequences. (Running on oeis4.)