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!)

A291421 as a simple table

n a(n)
1 1
2 1
3 6
4 45
5 414
6 4310
7 49068
8 598253
9 7707738
10 103981222
11 1459259444
12 21201220726
13 317718863636
14 4897066444332
15 77455837982360
16 1254882911977597
17 20793816009974054
18 351973815700006842
19 6079707258590589100
20 107070921557974264470
21 1921112466081500096044
22 35095122874748021511252
23 652393778217784214993656
24 12334667847853804120010726

[1,1,6,45,414,4310,49068,598253,7707738,103981222,
 1459259444,21201220726,317718863636,4897066444332,
 77455837982360,1254882911977597,20793816009974054,
 351973815700006842,6079707258590589100,
 107070921557974264470,1921112466081500096044,
 35095122874748021511252,652393778217784214993656,
 12334667847853804120010726]

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 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)