A183287 - OEIS

A183287

Half the number of nX6 binary arrays with the number of 1-1 horizontal, vertical, diagonal and antidiagonal adjacencies equal to the number of 0-0 adjacencies

6, 210, 8016, 385316, 20021342, 1085177164, 60444425412, 3432989914472, 197894482415760, 11543252431044600, 679897604621167200, 40374780115512515920, 2414435498539220478004, 145262547443786234307384

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 6 of A183289

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..200

EXAMPLE

Some solutions for 3X6 with a(1,1)=0

..0..1..1..0..0..0....0..0..0..1..1..1....0..0..1..0..0..1....0..1..0..0..1..0

..1..1..0..0..1..0....0..0..1..0..1..1....1..1..1..0..0..1....1..0..0..1..1..1

..1..0..1..1..0..1....1..1..0..0..1..0....0..1..0..0..1..1....1..0..1..0..0..1