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!)
A183369 Number of n X n binary arrays with no element equal to the mod 3 sum of its diagonal and antidiagonal neighbors 0

%I

%S 1,4,6,49,195,3969,285516,22743361,3414837564,1467194393284,

%T 1549197261403648,3156509484479021584,11694530363878786782540,

%U 91853775938916496321710336

%N Number of n X n binary arrays with no element equal to the mod 3 sum of its diagonal and antidiagonal neighbors

%C Diagonal of A183374

%e Some solutions for 5X5

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

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

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

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

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

%K nonn

%O 1,2

%A _R. H. Hardin_ Jan 04 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 June 26 10:23 EDT 2022. Contains 354879 sequences. (Running on oeis4.)