The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A306167 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A306167

Number of nXn 0..1 arrays with every element unequal to 0, 1, 3, 5, 6 or 7 king-move adjacent elements, with upper left element zero.
(history; published version)

#4 by R. H. Hardin at Sat Jun 23 12:49:51 EDT 2018

STATUS

editing

approved

#3 by R. H. Hardin at Sat Jun 23 12:49:48 EDT 2018

NAME

allocated for R. H. Hardin

Number of nXn 0..1 arrays with every element unequal to 0, 1, 3, 5, 6 or 7 king-move adjacent elements, with upper left element zero.

DATA

1, 5, 13, 93, 832, 5277, 53834, 722779, 11592019, 300465411, 11442115258

OFFSET

1,2

COMMENTS

Diagonal of A306172.

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A306172.

KEYWORD

allocated

nonn

AUTHOR

R. H. Hardin, Jun 23 2018

STATUS

approved

editing

#2 by R. H. Hardin at Sat Jun 23 12:49:08 EDT 2018

KEYWORD

allocating

allocated

#1 by R. H. Hardin at Sat Jun 23 12:49:08 EDT 2018

NAME

allocated for R. H. Hardin

KEYWORD

allocating

STATUS

approved