A300145 - OEIS

A300145

Number of nX7 0..1 arrays with every element equal to 1, 3, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

0, 240, 510, 37739, 913701, 21602016, 783899343, 25183985328, 731705422933, 24145928730995, 782705967561256, 24287059815435142, 779967263846099970, 25085775450729557701, 794088056276227934131, 25351753054137053670219

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

OFFSET

1,2

COMMENTS

Column 7 of A300146.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A300146.

Sequence in context: A255266 A179440 A154378 * A063372 A070123 A119659

Adjacent sequences: A300142 A300143 A300144 * A300146 A300147 A300148

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 26 2018

STATUS

approved