A297796 - OEIS

A297796

Number of n X n 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2, 3 or 5 neighboring 1's.

1, 2, 37, 422, 23781, 5511367, 3420197908, 4611250894511, 18829563773811206

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

OFFSET

1,2

COMMENTS

Diagonal of A297802.

LINKS

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 06 2018

STATUS

approved