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!)

A221897 as a simple table

n a(n)
1 28
2 19408
3 7235107
4 2815434576
5 1093046005330
6 424750933848720
7 164973176599593177
8 64079516472337724523
9 24889801648272710871176
10 9667694294893797006224411
11 3755123558818256978843191913

[28,19408,7235107,2815434576,1093046005330,
 424750933848720,164973176599593177,
 64079516472337724523,24889801648272710871176,
 9667694294893797006224411,
 3755123558818256978843191913]

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 06:24 EDT 2024. Contains 371769 sequences. (Running on oeis4.)