A230473 - OEIS

A230473

Number of 5Xn 0..2 arrays x(i,j) with each element horizontally, diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 3, and upper left element zero

0, 30, 16926, 2593962, 281740616, 33169633760, 3934875952932, 468738681959950, 55761205442553620, 6632928807891253950, 788965363164447297996, 93846883723526687128242, 11163030352379441952730540

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

OFFSET

1,2

COMMENTS

Row 5 of A230469

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=3

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

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

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

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

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

CROSSREFS

Sequence in context: A176378 A089037 A116076 * A088853 A306917 A135349

Adjacent sequences: A230470 A230471 A230472 * A230474 A230475 A230476

KEYWORD

nonn

AUTHOR

R. H. Hardin, Oct 20 2013

STATUS

approved