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!)

A009418 as a simple table

n a(n)
0 0
1 1
2 1
3 2
4 4
5 19
6 11
7 321
8 -720
9 12489
10 -84849
11 1008765
12 -10502700
13 131502669
14 -1702662077
15 24172986033
16 -364322094976
17 5871664124881
18 -100335623138817
19 1815293290581909
20 -34642054850289196
21 695636985512560149

[0,1,1,2,4,19,11,321,-720,12489,-84849,1008765,
 -10502700,131502669,-1702662077,24172986033,
 -364322094976,5871664124881,-100335623138817,
 1815293290581909,-34642054850289196,
 695636985512560149]

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 19 14:10 EDT 2024. Contains 371792 sequences. (Running on oeis4.)