A316446 Number of nX6 0..1 arrays with every element unequal to 1, 2, 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero.

5, 333, 2832, 26592, 325839, 3624515, 39827783, 450251619, 5054524591, 56578716738, 634936650160, 7125189371718, 79916528368117, 896523310090091, 10058160152676107, 112836051189847100, 1265844361104781403

Offset

1,1

Comments

Column 6 of A316448.

Links

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

Example

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

Crossrefs

Cf. A316448.

Sequence in context: A304957 A316639 A304695 * A316128 A317434 A029495

Adjacent sequences: A316443 A316444 A316445 * A316447 A316448 A316449

Keyword

nonn

Author

R. H. Hardin, Jul 03 2018

Status

approved