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!)

A089512 as a simple table

n a(n)
2 1
3 2
4 1
5 18
6 6
7 360
8 90
9 12600
10 2520
11 680400
12 113400
13 52390800
14 7484400
15 5448643200
16 681080400
17 735566832000
18 81729648000
19 125046361440000
20 12504636144000
21 26134689540960000
22 2375880867360000
23 6585941764321920000

[1,2,1,18,6,360,90,12600,2520,680400,113400,
 52390800,7484400,5448643200,681080400,
 735566832000,81729648000,125046361440000,
 12504636144000,26134689540960000,2375880867360000,
 6585941764321920000]

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 August 31 13:54 EDT 2024. Contains 375567 sequences. (Running on oeis4.)