A183507 - OEIS

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A183507

Number of nX5 0..3 arrays with no element equal to the sum mod 4 of its horizontal and vertical neighbors

0

252, 59292, 14369472, 3486784401, 847298204784, 205891132094649

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

OFFSET

1,1

COMMENTS

Column 5 of A183508

LINKS

Table of n, a(n) for n=1..6.

EXAMPLE

Some solutions for 3X5

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

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

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

CROSSREFS

Sequence in context: A180886 A078263 A289293 * A203385 A248165 A289567

Adjacent sequences: A183504 A183505 A183506 * A183508 A183509 A183510

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 05 2011

STATUS

approved