The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A304296 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A304296

Number of n X n 0..1 arrays with every element unequal to 1, 2, 5 or 8 king-move adjacent elements, with upper left element zero.
(history; published version)

#6 by Wesley Ivan Hurt at Wed Sep 16 19:13:39 EDT 2020

STATUS

editing

approved

#5 by Wesley Ivan Hurt at Wed Sep 16 19:13:36 EDT 2020

NAME

Number of nXn n X n 0..1 arrays with every element unequal to 1, 2, 5 or 8 king-move adjacent elements, with upper left element zero.

STATUS

approved

editing

#4 by R. H. Hardin at Thu May 10 08:58:33 EDT 2018

STATUS

editing

approved

#3 by R. H. Hardin at Thu May 10 08:58:29 EDT 2018

NAME

allocated for R. H. Hardin

Number of nXn 0..1 arrays with every element unequal to 1, 2, 5 or 8 king-move adjacent elements, with upper left element zero.

DATA

0, 3, 3, 4, 62, 237, 2673, 47501, 555463, 25873708, 782284349, 32914635985, 3458153456492, 263002178989873, 36033069960036119

OFFSET

1,2

COMMENTS

Diagonal of A304302.

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A304302.

KEYWORD

allocated

nonn

AUTHOR

R. H. Hardin, May 10 2018

STATUS

approved

editing

#2 by R. H. Hardin at Thu May 10 08:49:10 EDT 2018

KEYWORD

allocating

allocated

#1 by R. H. Hardin at Thu May 10 08:49:10 EDT 2018

NAME

allocated for R. H. Hardin

KEYWORD

allocating

STATUS

approved