The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
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!)

A014274 as a simple table

n a(n)
0 0
1 1
2 1
3 1
4 5
5 15
6 50
7 180
8 676
9 2666
10 10831
11 45263
12 193097
13 839305
14 3702793
15 16552491
16 74829186
17 341652547
18 1573557441
19 7303953109
20 34139363401
21 160575404720
22 759577584604
23 3611720900930
24 17254901764792
25 82793934434748
26 398862862215977
27 1928661772504001
28 9357906461877107
29 45549820100444687

[0,1,1,1,5,15,50,180,676,2666,10831,45263,193097,
 839305,3702793,16552491,74829186,341652547,
 1573557441,7303953109,34139363401,160575404720,
 759577584604,3611720900930,17254901764792,
 82793934434748,398862862215977,1928661772504001,
 9357906461877107,45549820100444687]

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 May 13 07:22 EDT 2024. Contains 372498 sequences. (Running on oeis4.)