login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)

A002055 as a simple table

n a(n)
5 1
6 9
7 56
8 300
9 1485
10 7007
11 32032
12 143208
13 629850
14 2735810
15 11767536
16 50220040
17 212952285
18 898198875
19 3771484800
20 15775723920
21 65770848990
22 273420862110
23 1133802618000
24 4691140763400
25 19371432850770
26 79850555673174

[1,9,56,300,1485,7007,32032,143208,629850,2735810,
 11767536,50220040,212952285,898198875,3771484800,
 15775723920,65770848990,273420862110,
 1133802618000,4691140763400,19371432850770,
 79850555673174]

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 17 02:26 EDT 2021. Contains 343059 sequences. (Running on oeis4.)