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!)

A056981 as a simple table

n a(n)
0 1
1 1
2 1
3 1
4 25
5 49
6 441
7 1089
8 184041
9 511225
10 5909761
11 17631601
12 863948449
13 2704312009
14 34493775625
15 111759833025
16 93990019574025
17 312541206957225
18 4201942893536025
19 14258670483605625
20 780804795682244025

[1,1,1,1,25,49,441,1089,184041,511225,5909761,
 17631601,863948449,2704312009,34493775625,
 111759833025,93990019574025,312541206957225,
 4201942893536025,14258670483605625,
 780804795682244025]

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 June 3 10:43 EDT 2024. Contains 373060 sequences. (Running on oeis4.)