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!)
A202747 Number of 6Xn 0..1 arrays with row sums equal and column sums unequal to adjacent columns 0

%I

%S 2,44,1074,29680,827502,27842760,967878370,35772388788,1349807335782,

%T 52493731492612

%N Number of 6Xn 0..1 arrays with row sums equal and column sums unequal to adjacent columns

%C Row 6 of A202742

%e Some solutions for n=4

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Dec 23 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 15 15:20 EDT 2022. Contains 356148 sequences. (Running on oeis4.)