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!)

A159421 as a simple table

n a(n)
2 12
3 18180
4 17678180
5 23906871625
6 33142751210880
7 40920467881841016
8 39881847574391332064
9 27839801028626330786100
10 12898777607987820532044600
11 3796362296831030040318923015
12 708799758875178944116824699876

[12,18180,17678180,23906871625,33142751210880,
 40920467881841016,39881847574391332064,
 27839801028626330786100,
 12898777607987820532044600,
 3796362296831030040318923015,
 708799758875178944116824699876]

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 29 13:28 EST 2022. Contains 358430 sequences. (Running on oeis4.)