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!)

A009473 as a simple table

n a(n)
0 1
1 -4
2 68
3 -2472
4 152144
5 -14034560
6 1799730624
7 -304857999232
8 65741679927552
9 -17551668357299200
10 5675908680156886016
11 -2184408933211162445824
12 986028359061107747639296
13 -515674384290974756211654656

[1,-4,68,-2472,152144,-14034560,1799730624,
 -304857999232,65741679927552,-17551668357299200,
 5675908680156886016,-2184408933211162445824,
 986028359061107747639296,
 -515674384290974756211654656]

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 20:33 EDT 2024. Contains 371916 sequences. (Running on oeis4.)