Svoboda | Graniru | BBC Russia | Golosameriki | Facebook
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!)

A140440 as a simple table

n a(n)
1 0
2 0
3 0
4 0
5 1
6 1
7 2
8 5
9 12
10 40
11 154
12 766
13 4672
14 34547
15 302185
16 3073267
17 35933851
18 479768761
19 7284446498
20 125435333136 

[0,0,0,0,1,1,2,5,12,40,154,766,4672,34547,302185,
 3073267,35933851,479768761,7284446498,
 125435333136]

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 September 11 13:11 EDT 2024. Contains 375829 sequences. (Running on oeis4.)