login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)

A104991 as a simple table

n a(n)
0 1
1 4
2 22
3 142
4 1048
5 8704
6 80386
7 817786
8 9093340
9 109794556
10 1431360958
11 20047830262
12 300343272952
13 4793871035416
14 81232799446906
15 1456671526257106
16 27562347560513524
17 548844246683051860
18 11474015910364016086

[1,4,22,142,1048,8704,80386,817786,9093340,
 109794556,1431360958,20047830262,300343272952,
 4793871035416,81232799446906,1456671526257106,
 27562347560513524,548844246683051860,
 11474015910364016086]

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 19 12:46 EDT 2020. Contains 337178 sequences. (Running on oeis4.)