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!)

A218668 as a simple table

n a(n)
0 1
1 0
2 1
3 3
4 22
5 161
6 1546
7 18857
8 270320
9 4471693
10 85455574
11 1865128265
12 45735737037
13 1247518965519
14 37654095184226
15 1250673144714138
16 45415758777730668
17 1792734161930717221
18 76595370803745016626
19 3529261203030717032927
20 174742139545017029583279

[1,0,1,3,22,161,1546,18857,270320,4471693,
 85455574,1865128265,45735737037,1247518965519,
 37654095184226,1250673144714138,45415758777730668,
 1792734161930717221,76595370803745016626,
 3529261203030717032927,174742139545017029583279]

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 24 08:48 EDT 2024. Contains 371930 sequences. (Running on oeis4.)