A296797 - OEIS

A296797

Number of n X n 0..1 arrays with each 1 adjacent to 1, 3 or 4 king-move neighboring 1's.

1, 8, 47, 1011, 77705, 11910888, 5712715858, 7684218661876, 26989156683330346, 262467117400311786434

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

OFFSET

1,2

COMMENTS

Diagonal of A296804.

LINKS

EXAMPLE

Some solutions for n=5

..1..1..0..1..1. .0..1..0..0..0. .0..0..1..1..0. .1..0..0..0..0

..0..0..0..1..1. .1..1..1..1..0. .0..0..1..1..0. .0..1..1..0..0

..0..0..0..0..0. .1..0..0..1..1. .0..0..0..1..0. .0..1..1..0..0

..1..1..0..0..0. .0..1..0..0..1. .1..0..1..0..0. .0..1..0..0..0

..0..0..0..1..1. .0..0..0..0..1. .1..0..0..0..0. .0..1..0..1..1

CROSSREFS

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 20 2017

STATUS

approved