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!)
A206844 Number of 6Xn 0..3 arrays avoiding the pattern z-2 z-1 z in any row, column, nw-to-se diagonal or ne-to-sw antidiagonal 0

%I #4 Mar 31 2012 12:37:13

%S 3636,13220496,31871929292,79716622309437,200394014933364651,

%T 503617001775793994676,1266270368466567536724535,

%U 3183935032870732412305270412

%N Number of 6Xn 0..3 arrays avoiding the pattern z-2 z-1 z in any row, column, nw-to-se diagonal or ne-to-sw antidiagonal

%C Row 6 of A206838

%e Some solutions for n=5

%e ..2..2..0..1..3....1..3..2..2..0....2..0..3..0..2....3..1..3..3..0

%e ..3..2..0..1..3....2..2..1..1..0....0..3..1..1..2....0..3..1..3..3

%e ..1..1..1..0..3....1..1..0..2..1....0..3..0..1..0....2..0..1..3..0

%e ..1..3..3..1..2....0..0..3..0..0....3..2..2..1..2....3..3..1..2..0

%e ..0..2..2..1..2....1..1..1..3..3....1..1..3..2..0....3..0..1..3..2

%e ..0..0..1..0..2....3..3..0..0..2....3..3..0..1..3....0..3..3..3..2

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 13 2012

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 April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)