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A317214 Number of nX7 0..1 arrays with every element unequal to 0, 2, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero. 1
1, 908, 14652, 705763, 31138620, 1441577878, 66735041323, 3103003384185, 144406060742969, 6724517518065400, 313206471103491601, 14589794703117945367, 679654520942938242570, 31661882161040369005316 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 7 of A317215.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A317215.

Sequence in context: A304418 A316243 A305953 * A305684 A317064 A316931

Adjacent sequences:  A317211 A317212 A317213 * A317215 A317216 A317217

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 23 2018

STATUS

approved

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Last modified August 17 08:02 EDT 2022. Contains 356184 sequences. (Running on oeis4.)