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!)

A270530 as a simple table

n a(n)
0 1
1 5
2 23
3 105
4 484
5 2267
6 10821
7 52705
8 262010
9 1328768
10 6867266
11 36115455
12 192954358
13 1045481465
14 5735154907
15 31802349105
16 178010615678
17 1004542994462
18 5709066033900
19 32646940202200
20 187701954810320

[1,5,23,105,484,2267,10821,52705,262010,1328768,
 6867266,36115455,192954358,1045481465,5735154907,
 31802349105,178010615678,1004542994462,
 5709066033900,32646940202200,187701954810320]

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 29 10:22 EDT 2024. Contains 371268 sequences. (Running on oeis4.)