A316814 Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 3, 4, 5 or 7 king-move adjacent elements, with upper left element zero.

64, 8192, 567185, 37935501, 2578023456, 174669587289, 11834952392431, 802147875327622, 54360782611063950, 3684133662306606773, 249679808890718960449, 16921207212911865651787, 1146779203111773150063701

Offset

1,1

Comments

Column 7 of A316815.

Links

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

Example

Some solutions for n=5
..0..0..0..1..1..0..1. .0..0..0..1..1..1..0. .0..0..0..1..0..0..0
..0..0..0..1..1..0..1. .0..0..0..0..0..0..1. .0..0..0..1..0..0..1
..0..0..0..0..1..1..1. .0..0..0..0..0..1..1. .0..0..0..0..0..0..1
..0..0..0..0..0..1..1. .0..0..0..0..1..0..1. .0..0..0..0..1..1..0
..0..0..0..1..1..0..1. .0..0..0..0..1..1..1. .0..0..0..1..1..1..0

Crossrefs

Cf. A316815.

Sequence in context: A305522 A208714 A316959 * A320370 A298969 A317564

Adjacent sequences: A316811 A316812 A316813 * A316815 A316816 A316817

Keyword

nonn

Author

R. H. Hardin, Jul 14 2018

Status

approved