A241113 - OEIS

A241113

Number of nX7 0..2 arrays with no element equal to exactly three horizontal or vertical neighbors, with new values 0..2 introduced in row major order

365, 571530, 744822776, 978087593971, 1283885768594047, 1685292182142705704, 2212193554836290644824, 2903828647417685566144097, 3811701111661594456829457851, 5003416917134104852934943460035

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

OFFSET

1,1

COMMENTS

Column 7 of A241114

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..20

EXAMPLE

Some solutions for n=2

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

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

CROSSREFS

Sequence in context: A208257 A223132 A199654 * A208321 A208391 A208398

Adjacent sequences: A241110 A241111 A241112 * A241114 A241115 A241116

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 16 2014

STATUS

approved