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!)

A307957 as a simple table

n a(n)
1 0
2 0
3 1
4 2
5 3
6 12
7 49
8 460
9 4994
10 68234
11 997486
12 15582567
13 253005521
14 4250680376
15 73293572869
16 1293638724177 

[0,0,1,2,3,12,49,460,4994,68234,997486,15582567,
 253005521,4250680376,73293572869,1293638724177]

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 March 31 20:29 EDT 2023. Contains 361672 sequences. (Running on oeis4.)