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!)

A255906 as a simple table

n a(n)
0 1
1 1
2 4
3 16
4 76
5 400
6 2356
7 15200
8 106644
9 806320
10 6526580
11 56231024
12 513207740
13 4941362512
14 50013751812
15 530481210672
16 5880285873060
17 67954587978448
18 816935340368068
19 10196643652651664
20 131904973822724540
21 1765645473517011568
22 24420203895517396180

[1,1,4,16,76,400,2356,15200,106644,806320,6526580,
 56231024,513207740,4941362512,50013751812,
 530481210672,5880285873060,67954587978448,
 816935340368068,10196643652651664,
 131904973822724540,1765645473517011568,
 24420203895517396180]

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 25 05:18 EDT 2024. Contains 371964 sequences. (Running on oeis4.)