A183523 - OEIS

A183523

Number of nX6 0..2 arrays with each element equal to either the sum mod 3 of its horizontal and vertical neighbors or the sum mod 3 of its diagonal and antidiagonal neighbors

23, 911, 10003, 201833, 4406933, 89738569, 1908431611

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

OFFSET

1,1

COMMENTS

Column 6 of A183526

LINKS

Table of n, a(n) for n=1..7.

EXAMPLE

Some solutions for 3X6

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

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

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

CROSSREFS

Sequence in context: A217116 A081731 A335496 * A233339 A008961 A232757

Adjacent sequences: A183520 A183521 A183522 * A183524 A183525 A183526

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 05 2011

STATUS

approved