login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)

A273489 as a simple table

n a(n)
0 1
1 5
2 21
3 85
4 413
5 1765
6 7325
7 30085
8 122813
9 499045
10 2020445
11 8156485
12 32854013
13 132108325
14 530526365
15 2128417285

[1,5,21,85,413,1765,7325,30085,122813,499045,
 2020445,8156485,32854013,132108325,530526365,
 2128417285]

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 August 8 02:45 EDT 2020. Contains 336290 sequences. (Running on oeis4.)