A299179 - OEIS

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A299179

Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero.

64, 3281, 5631, 22819, 105709, 488812, 2207509, 10286880, 48492179, 225721140, 1052511651, 4943137693, 23205542625, 108821827316, 511190051629, 2403886138964, 11305007633490, 53192247798072, 250461934195726

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

OFFSET

1,1

COMMENTS

Column 7 of A299180.

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

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

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

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

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

CROSSREFS

Cf. A299180.

Sequence in context: A281343 A298286 A299358 * A299941 A017439 A220744

Adjacent sequences: A299176 A299177 A299178 * A299180 A299181 A299182

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 04 2018

STATUS

approved