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!)

A221448 as a simple table

n a(n)
1 1
2 31
3 221
4 1465
5 10593
6 76055
7 543081
8 3883061
9 27769277
10 198564543
11 1419847869
12 10152784401
13 72598518713
14 519122981715
15 3712041493221
16 26543328598837
17 189800757263741
18 1357189525524527
19 9704721072833461
20 69394590298217165

[1,31,221,1465,10593,76055,543081,3883061,
 27769277,198564543,1419847869,10152784401,
 72598518713,519122981715,3712041493221,
 26543328598837,189800757263741,1357189525524527,
 9704721072833461,69394590298217165]

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 July 22 08:19 EDT 2024. Contains 374485 sequences. (Running on oeis4.)