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!)

A054394 as a simple table

n a(n)
0 1
1 1
2 2
3 5
4 14
5 42
6 132
7 429
8 1429
9 4847
10 16660
11 57820
12 202086
13 709928
14 2503266
15 8850681
16 31355020
17 111242127
18 395091069
19 1404332528
20 4994581900
21 17771328588
22 63253477326
23 225194224134
24 801884971816
25 2855809269782
26 10171707099565

[1,1,2,5,14,42,132,429,1429,4847,16660,57820,
 202086,709928,2503266,8850681,31355020,111242127,
 395091069,1404332528,4994581900,17771328588,
 63253477326,225194224134,801884971816,
 2855809269782,10171707099565]

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 13:22 EDT 2024. Contains 371969 sequences. (Running on oeis4.)