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A305915 Number of nX5 0..1 arrays with every element unequal to 0, 1, 3, 4, 5 or 7 king-move adjacent elements, with upper left element zero. 1
8, 57, 62, 347, 2014, 8135, 57465, 489154, 3344053, 25522176, 209490803, 1611464796, 12539285595, 99907700990, 785210139974, 6162648831419, 48680431762971, 383689003675080, 3020361523395059, 23812409080409828 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A305918.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A305918.

Sequence in context: A244958 A043071 A304352 * A316236 A317157 A305646

Adjacent sequences: A305912 A305913 A305914 * A305916 A305917 A305918

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jun 14 2018

STATUS

approved

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Last modified March 23 09:25 EDT 2023. Contains 361443 sequences. (Running on oeis4.)