A231288 - OEIS

A231288

Number of 5Xn 0..3 arrays x(i,j) with each element horizontally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4, and upper left element zero

0, 0, 400, 18208, 1400418, 113949472, 8501873308, 640715412642, 48666334943666, 3688979364397286, 279499707637225516, 21180942802336955158, 1605155579613083173810, 121641724625925000663242

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

OFFSET

1,3

COMMENTS

Row 5 of A231285

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..87

EXAMPLE

Some solutions for n=3

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

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

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

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

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

CROSSREFS

Sequence in context: A006764 A108034 A187051 * A210262 A151608 A022232

Adjacent sequences: A231285 A231286 A231287 * A231289 A231290 A231291

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 06 2013

STATUS

approved