A299456 - OEIS

A299456

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

1, 65, 95, 508, 3514, 19041, 101878, 624052, 3827796, 22241786, 134198574, 815085585, 4895601018, 29530784457, 178701273406, 1080000537727, 6525430763629, 39466532864314, 238703629441032, 1443455046836429

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

OFFSET

1,2

COMMENTS

Column 6 of A299458.

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

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

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

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

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

CROSSREFS

Cf. A299458.

Sequence in context: A094447 A020224 A063519 * A300094 A350241 A342259

Adjacent sequences: A299453 A299454 A299455 * A299457 A299458 A299459

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 10 2018

STATUS

approved