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!)
A265594 Number of n X n 0..n*n-1 arrays with upper left zero and lower right n*n-1 and each element differing from its horizontal, vertical and antidiagonal neighbors by a power of two. 0

%I

%S 1,2,0,2908,11746590,0,618833411493090,220650208129805684

%N Number of n X n 0..n*n-1 arrays with upper left zero and lower right n*n-1 and each element differing from its horizontal, vertical and antidiagonal neighbors by a power of two.

%C Diagonal of A265601.

%e Some solutions for n=4

%e ..0..8..7..6....0..4..8..9....0..4..8.12....0..4..8..9....0..4..5..9

%e ..4..6..8..7....8..6..7..8....8.12.10.11....8..6..7.11....2..6..7.11

%e ..8.10..9.11...10..8..9..7...10..8.12.13...10..8..9.13....4..8..9.13

%e .12.11.13.15...12.10.11.15....6.10.14.15....9..7.11.15....6.10.11.15

%Y Cf. A265601.

%K nonn

%O 1,2

%A _R. H. Hardin_, Dec 10 2015

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 May 27 15:17 EDT 2022. Contains 354105 sequences. (Running on oeis4.)