A296308 - OEIS

A296308

Number of n X n 0..1 arrays with each 1 adjacent to 3 or 6 king-move neighboring 1's.

1, 2, 5, 10, 68, 479, 3300, 49634, 1039840, 24795120, 980896445, 69526855808

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

OFFSET

1,2

COMMENTS

Diagonal of A296313.

LINKS

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 10 2017

STATUS

approved