A298188 - OEIS

A298188

Number of n X n 0..1 arrays with every element equal to 0, 1, 2, 3 or 5 king-move adjacent elements, with upper left element zero.

1, 8, 92, 1609, 45143, 1863192, 114087318, 10570868743, 1486791095951

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OFFSET

1,2

COMMENTS

Diagonal of A298195.

LINKS

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 14 2018

STATUS

approved