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!)

A080668 as a simple table

n a(n)
1 2
2 10
3 33
4 88
5 245
6 936
7 5383
8 40832
9 363609
10 3629800
11 39918131
12 479003328
13 6227022997
14 87178293944
15 1307674371375
16 20922789892096
17 355687428100913
18 6402373705733832
19 121645100408838859
20 2432902008176648000

[2,10,33,88,245,936,5383,40832,363609,3629800,
 39918131,479003328,6227022997,87178293944,
 1307674371375,20922789892096,355687428100913,
 6402373705733832,121645100408838859,
 2432902008176648000]

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 12:15 EDT 2024. Contains 371969 sequences. (Running on oeis4.)