The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
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!)

A007815 as a simple table

n a(n)
1 1
2 2
3 6
4 25
5 138
6 972
7 8477
8 89405
9 1119280
10 16384508
11 276961252
12 5349351298
13 116985744912
14 2873993336097
15 78768494976617 

[1,2,6,25,138,972,8477,89405,1119280,16384508,
 276961252,5349351298,116985744912,2873993336097,
 78768494976617]

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 May 21 17:21 EDT 2024. Contains 372738 sequences. (Running on oeis4.)