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!)

A018983 as a simple table

n a(n)
2 2
3 6
4 35
5 160
6 1026
7 6251
8 39860
9 258021
10 1710770
11 11553916
12 78929862
13 546477542
14 3822747838
15 26980876665
16 191958821704

[2,6,35,160,1026,6251,39860,258021,1710770,
 11553916,78929862,546477542,3822747838,
 26980876665,191958821704]

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 March 29 09:59 EDT 2024. Contains 371268 sequences. (Running on oeis4.)