A183592 - OEIS

A183592

1/24 of the number of (n+1) X 8 0..3 arrays with every 2 X 2 subblock containing exactly three distinct values.

3875968, 6471298096, 10588548225946, 17377952662176322, 28508855963437333072, 46772256761288023913418

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

OFFSET

1,1

COMMENTS

Column 7 of A183594.

LINKS

EXAMPLE

Some solutions with a(1,1) = 0 for 3 X 8

..0..0..0..0..2..3..3..0....0..0..0..0..2..2..1..3....0..0..0..0..0..3..3..0

..2..1..2..1..0..2..1..0....2..1..2..1..1..3..1..2....2..1..2..1..2..0..1..1

..0..0..0..0..2..1..0..3....0..0..0..0..2..1..2..0....0..0..0..0..1..2..0..2

CROSSREFS

KEYWORD

nonn

AUTHOR

STATUS

approved