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!)
A202649 Number of n X n 0..2 arrays with no row or column sum equal to the previous 1

%I

%S 3,52,8460,14394092,231197740500

%N Number of n X n 0..2 arrays with no row or column sum equal to the previous

%C Column 2 of A202651

%e Some solutions for n=3

%e ..0..2..1....0..2..1....2..2..1....1..0..0....0..2..0....0..0..1....0..0..0

%e ..1..2..1....2..1..1....0..2..0....2..2..2....2..2..0....2..2..0....1..2..1

%e ..1..2..0....1..1..0....1..1..2....1..0..1....0..1..0....2..1..0....2..0..0

%K nonn

%O 1,1

%A _R. H. Hardin_ Dec 22 2011

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 August 17 16:21 EDT 2022. Contains 356189 sequences. (Running on oeis4.)