login
This site is supported by donations to The OEIS Foundation.

 

Logo


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

A180991 as a simple table

n a(n)
1 0
2 0
3 4
4 196
5 17630
6 3673129
7 1986193307
8 3003748718884
9 13426920301736657
10 185166591284225200707
11 8146406517582852344067961
12 1173623326436235078315237985776

[0,0,4,196,17630,3673129,1986193307,3003748718884,
 13426920301736657,185166591284225200707,
 8146406517582852344067961,
 1173623326436235078315237985776]

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 21 00:17 EDT 2019. Contains 327252 sequences. (Running on oeis4.)