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!)

A020024 as a simple table

n a(n)
0 1
1 0
2 0
3 0
4 1
5 3
6 17
7 104
8 740
9 6006
10 54717
11 553254
12 6147264
13 74450194
14 976124761
15 13774204959
16 208143541601
17 3353423725801
18 57380805974819
19 1039230152655058
20 19860842917407766
21 399423618672311730

[1,0,0,0,1,3,17,104,740,6006,54717,553254,6147264,
 74450194,976124761,13774204959,208143541601,
 3353423725801,57380805974819,1039230152655058,
 19860842917407766,399423618672311730]

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 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)