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A305012 Number of nX5 0..1 arrays with every element unequal to 1, 2, 4, 5 or 7 king-move adjacent elements, with upper left element zero. 1
3, 51, 99, 255, 2715, 9499, 30457, 225009, 1046863, 4428355, 25786862, 133489800, 644632918, 3500846702, 18523401621, 94736004178, 504816486286, 2678501833047, 14004203659303, 74284132555049, 393952194673461, 2076786525949422 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A305015.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A305015.

Sequence in context: A316452 A227069 A062216 * A316173 A316645 A116630

Adjacent sequences:  A305009 A305010 A305011 * A305013 A305014 A305015

KEYWORD

nonn

AUTHOR

R. H. Hardin, May 23 2018

STATUS

approved

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Last modified July 24 16:24 EDT 2021. Contains 346273 sequences. (Running on oeis4.)