login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A180007
as a simple table
n
a(n)
1
1
2
4
3
13
4
49
5
161
6
656
7
2751
8
12505
9
58482
10
280348
11
1374563
12
6864809
[1,4,13,49,161,656,2751,12505,58482,280348, 1374563,6864809]
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 July 16 19:20 EDT 2024. Contains 374358 sequences. (Running on oeis4.)