A317010 - OEIS

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A317010

Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero.

64, 1709, 31328, 639838, 12838095, 263269309, 5395769696, 110527120611, 2265876477133, 46456304124936, 952534294337069, 19531323166546453, 400491270921800716, 8212181804137074107, 168393873326137649871

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 7 of A317011.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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