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!)

A318160 as a simple table

n a(n)
0 1
1 1
2 1
3 6
4 18
5 50
6 195
7 392
8 1652
9 2970
10 12825
11 22022
12 96030
13 160888
14 705341
15 1162800
16 5116200
17 8335338
18 36773397
19 59366450
20 262462010
21 420630210
22 1862790699
23 2967563040
24 13160496684
25 20861295000
26 92624149475
27 146203657992
28 649794035142
29 1021964428880

[1,1,1,6,18,50,195,392,1652,2970,12825,22022,
 96030,160888,705341,1162800,5116200,8335338,
 36773397,59366450,262462010,420630210,1862790699,
 2967563040,13160496684,20861295000,92624149475,
 146203657992,649794035142,1021964428880]

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 24 18:17 EDT 2024. Contains 371962 sequences. (Running on oeis4.)