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!)

A151288 as a simple table

n a(n)
0 1
1 2
2 6
3 22
4 84
5 336
6 1392
7 5912
8 25580
9 112324
10 499312
11 2242188
12 10154664
13 46324964
14 212664488
15 981653620
16 4553218968
17 21209894268
18 99178882232
19 465362985740
20 2190341893320
21 10338437549876
22 48922967035664
23 232055129413436
24 1103080339515552
25 5253968486241476
26 25070738463476960
27 119836239979700524

[1,2,6,22,84,336,1392,5912,25580,112324,499312,
 2242188,10154664,46324964,212664488,981653620,
 4553218968,21209894268,99178882232,465362985740,
 2190341893320,10338437549876,48922967035664,
 232055129413436,1103080339515552,5253968486241476,
 25070738463476960,119836239979700524]

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 23 17:39 EDT 2024. Contains 372765 sequences. (Running on oeis4.)