A298258 - OEIS

A298258

Number of nX7 0..1 arrays with every element equal to 2, 3, 5 or 8 king-move adjacent elements, with upper left element zero.

0, 34, 14, 201, 604, 3335, 13991, 70095, 331341, 1644480, 8037526, 39760955, 194961246, 961041475, 4728481549, 23295012230, 114728093511, 565337326343, 2784889510658, 13721663522023, 67604705716170, 333094024429888

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

OFFSET

1,2

COMMENTS

Column 7 of A298259.

LINKS

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

EXAMPLE

Some solutions for n=8

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

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

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

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

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

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

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

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

CROSSREFS

Cf. A298259.

Sequence in context: A071788 A220133 A300101 * A298929 A118497 A301826

Adjacent sequences: A298255 A298256 A298257 * A298259 A298260 A298261

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 15 2018

STATUS

approved

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