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!)

A189255 as a simple table

n a(n)
1 1
2 2
3 6
4 24
5 108
6 544
7 3264
8 23040
9 176832
10 1563392
11 15536160
12 171172224
13 2066033472
14 27146652480
15 385447394880
16 5878028516736
17 95776238793504
18 1660164417866304
19 30496085473606944
20 591661117634375040
21 12087628978334638752

[1,2,6,24,108,544,3264,23040,176832,1563392,
 15536160,171172224,2066033472,27146652480,
 385447394880,5878028516736,95776238793504,
 1660164417866304,30496085473606944,
 591661117634375040,12087628978334638752]

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 23 14:32 EDT 2024. Contains 371914 sequences. (Running on oeis4.)