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A304957 Number of nX6 0..1 arrays with every element unequal to 1, 2, 3, 5 or 7 king-move adjacent elements, with upper left element zero. 1
5, 333, 1203, 8361, 60568, 435964, 3174054, 23304518, 170481467, 1248838598, 9167230233, 67263160245, 493257323135, 3619388695936, 26558238094660, 194837640252464, 1429535459938593, 10488919190348149, 76956245346728962 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A304959.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A304959.

Sequence in context: A152425 A304017 A305365 * A316639 A304695 A316446

Adjacent sequences:  A304954 A304955 A304956 * A304958 A304959 A304960

KEYWORD

nonn

AUTHOR

R. H. Hardin, May 22 2018

STATUS

approved

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Last modified May 25 16:08 EDT 2019. Contains 323572 sequences. (Running on oeis4.)