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!)

A054885 as a simple table

n a(n)
0 0
1 0
2 0
3 10
4 40
5 260
6 1240
7 6510
8 32240
9 162760
10 812240
11 4069010
12 20337240
13 101725260
14 508587240
15 2543131510
16 12715462240
17 63578287760
18 317890462240
19 1589457194010
20 7947281087240
21 39736429850260

[0,0,0,10,40,260,1240,6510,32240,162760,812240,
 4069010,20337240,101725260,508587240,2543131510,
 12715462240,63578287760,317890462240,
 1589457194010,7947281087240,39736429850260]

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 March 28 22:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)