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!)

A057765 as a simple table

n a(n)
1 0
2 0
3 0
4 1
5 3
6 8
7 20
8 45
9 89
10 174
11 323
12 590
13 1048
14 1834
15 3135
16 5361
17 8977
18 14993
19 24859

[0,0,0,1,3,8,20,45,89,174,323,590,1048,1834,3135,
 5361,8977,14993,24859]

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 January 26 18:26 EST 2022. Contains 350599 sequences. (Running on oeis4.)