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!)

A020550 as a simple table

n a(n)
0 3
1 3
2 12
3 228
4 13872
5 1728240
6 373249440
7 128024074080
8 65548320848640
9 47784725840597760
10 47784725839879257600
11 63601470092869711833600
12 109903340320478725054003200
13 241457638684091756851366041600

[3,3,12,228,13872,1728240,373249440,128024074080,
 65548320848640,47784725840597760,
 47784725839879257600,63601470092869711833600,
 109903340320478725054003200,
 241457638684091756851366041600]

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 September 18 00:40 EDT 2021. Contains 347493 sequences. (Running on oeis4.)