login
This site is supported by donations to
The OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A018990
as a simple table
n
a(n)
2
0
3
10
4
20
5
244
6
1028
7
7831
8
45586
9
320653
10
2114588
[0,10,20,244,1028,7831,45586,320653,2114588]
Lookup
|
Welcome
|
Wiki
|
Register
|
Music
|
Plot 2
|
Demos
|
Index
|
Browse
|
More
|
WebCam
Contribute new seq. or comment
|
Format
|
Transforms
|
Puzzles
|
Hot
|
Classics
Recent Additions
|
More pages
|
Superseeker
| Maintained by
The OEIS Foundation Inc.
Content is available under
The OEIS End-User License Agreement
.
Last modified May 22 20:16 EDT 2013. Contains 225568 sequences.
