A299945 Number of nX5 0..1 arrays with every element equal to 0, 1, 2, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

16, 69, 47, 191, 644, 1604, 4924, 16163, 46665, 147161, 473990, 1426413, 4457882, 14198499, 43560735, 135447041, 428338946, 1325938859, 4119939406, 12959149210, 40295382899, 125292141007, 392705745087, 1223726360479, 3808516672382

Offset

1,1

Comments

Column 5 of A299948.

Links

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

Example

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

Crossrefs

Cf. A299948.

Sequence in context: A298291 A299385 A299184 * A211031 A200839 A036660

Adjacent sequences: A299942 A299943 A299944 * A299946 A299947 A299948

Keyword

nonn

Author

R. H. Hardin, Feb 22 2018

Status

approved