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!)

A121188 as a simple table

n a(n)
1 1
2 1
3 1
4 3
5 6
6 18
7 44
8 129
9 354
10 1040
11 2961
12 8662
13 25022
14 73005
15 211723
16 616522
17 1789320
18 5203258
19 15097067 

[1,1,1,3,6,18,44,129,354,1040,2961,8662,25022,
 73005,211723,616522,1789320,5203258,15097067]

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 19 07:38 EDT 2024. Contains 371782 sequences. (Running on oeis4.)