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A305767 Number of nX6 0..1 arrays with every element unequal to 0, 1, 2, 3, 4 or 7 king-move adjacent elements, with upper left element zero. 1
32, 1576, 15874, 240701, 3343997, 47791549, 686168124, 9812796379, 140721354959, 2015731961192, 28883610743616, 413862103479629, 5929890697010320, 84967009587871763, 1217440538231235326, 17444057654131554627 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A305769.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A305769.

Sequence in context: A013994 A281953 A316181 * A317116 A305528 A317002

Adjacent sequences:  A305764 A305765 A305766 * A305768 A305769 A305770

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jun 10 2018

STATUS

approved

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Last modified December 1 16:44 EST 2021. Contains 349430 sequences. (Running on oeis4.)