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!)
A172567 Number of 3*n X n 0..1 arrays with row sums 4 and column sums 12 1

%I

%S 0,0,0,1,168168000,666569141498660400,12218892645550878420052920000,

%T 959794291357783500093926796260896462300,

%U 289360589460480315988823313632867603848637000544000

%N Number of 3*n X n 0..1 arrays with row sums 4 and column sums 12

%H R. H. Hardin, <a href="/A172567/b172567.txt">Table of n, a(n) for n=1..17</a>

%K nonn

%O 1,5

%A _R. H. Hardin_ Feb 06 2010

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 27 05:46 EDT 2023. Contains 361554 sequences. (Running on oeis4.)