login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 59th year, we have over 358,000 sequences, and we’ve crossed 10,300 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)

A215129 as a simple table

n a(n)
0 1
1 8
2 108
3 1604
4 25000
5 400680
6 6539932
7 108124704
8 1804745052
9 30345973020
10 513246523504
11 8722051475280
12 148808353519644
13 2547317293116512
14 43729600850054640
15 752553083643333008
16 12978731348733064680
17 224258766666165861192

[1,8,108,1604,25000,400680,6539932,108124704,
 1804745052,30345973020,513246523504,8722051475280,
 148808353519644,2547317293116512,
 43729600850054640,752553083643333008,
 12978731348733064680,224258766666165861192]

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 November 28 02:09 EST 2022. Contains 358406 sequences. (Running on oeis4.)