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!)

A251808 as a simple table

n a(n)
1 1
2 21
3 63
4 291
5 2744
6 2991
7 6102
8 6711
9 46676013
10 69460293
11 272543398
12 896172631 

[1,21,63,291,2744,2991,6102,6711,46676013,
 69460293,272543398,896172631]

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 11:24 EDT 2024. Contains 371967 sequences. (Running on oeis4.)