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Revision History for A299181

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Number of n X n 0..1 arrays with every element equal to 0, 1, 2, 4, 6 or 7 king-move adjacent elements, with upper left element zero.
(history; published version)

#6 by Wesley Ivan Hurt at Mon Jun 15 14:19:44 EDT 2020

STATUS

editing

approved

#5 by Wesley Ivan Hurt at Mon Jun 15 14:19:23 EDT 2020

NAME

Number of nXn n X n 0..1 arrays with every element equal to 0, 1, 2, 4, 6 or 7 king-move adjacent elements, with upper left element zero.

STATUS

approved

editing

#4 by R. H. Hardin at Sun Feb 04 13:12:15 EST 2018

STATUS

editing

approved

#3 by R. H. Hardin at Sun Feb 04 13:12:12 EST 2018

NAME

allocated for R. H. Hardin

Number of nXn 0..1 arrays with every element equal to 0, 1, 2, 4, 6 or 7 king-move adjacent elements, with upper left element zero.

DATA

1, 7, 20, 75, 626, 3773, 59287, 1666826, 51863841, 3412264531

OFFSET

1,2

COMMENTS

Diagonal of A299187.

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A299187.

KEYWORD

allocated

nonn

AUTHOR

R. H. Hardin, Feb 04 2018

STATUS

approved

editing

#2 by R. H. Hardin at Sun Feb 04 13:08:40 EST 2018

KEYWORD

allocating

allocated

#1 by R. H. Hardin at Sun Feb 04 13:08:40 EST 2018

NAME

allocated for R. H. Hardin

KEYWORD

allocating

STATUS

approved