A299304 Number of nX5 0..1 arrays with every element equal to 1, 2, 3, 5, 6 or 7 king-move adjacent elements, with upper left element zero.

3, 174, 849, 5360, 55390, 482418, 3860858, 34734150, 308990628, 2666332423, 23444806458, 206971861916, 1813834330882, 15927556058496, 140120710747692, 1231062726144171, 10815430485747421, 95064758912339098, 835449813794549847

Offset

1,1

Comments

Column 5 of A299307.

Links

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

Example

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

Crossrefs

Cf. A299307.

Sequence in context: A298767 A299564 A298386 * A299462 A300105 A125711

Adjacent sequences: A299301 A299302 A299303 * A299305 A299306 A299307

Keyword

nonn

Author

R. H. Hardin, Feb 06 2018

Status

approved