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 60th year, we have over 367,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

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

A183271 as a simple table

n a(n)
1 1
2 0
3 0
4 65
5 1578
6 0
7 0
8 1875535329
9 839252581538
10 0
11 0
12 5227844810759073967200
13 39228698077486633860579435
14 0
15 0
16 1102249786277252805957700361396650437576
17 135380785027014267422923708062639569342712090
18 0
19 0

[1,0,0,65,1578,0,0,1875535329,839252581538,0,0,
 5227844810759073967200,39228698077486633860579435,
 0,0,1102249786277252805957700361396650437576,
 135380785027014267422923708062639569342712090,0,0]

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 December 10 12:10 EST 2023. Contains 367710 sequences. (Running on oeis4.)