A298219 - OEIS

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A298219

Number of nX6 0..1 arrays with every element equal to 0, 1, 2, 4 or 5 king-move adjacent elements, with upper left element zero.

32, 157, 195, 1492, 6598, 25717, 150617, 749072, 3768994, 20393224, 106066124, 556195274, 2954907194, 15557703954, 82124285924, 434539039615, 2295009472389, 12128635280254, 64125706558072, 338931941092437, 1791630458583318

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

OFFSET

1,1

COMMENTS

Column 6 of A298221.

LINKS

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

EXAMPLE

Some solutions for n=7

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

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

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

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

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

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

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

CROSSREFS

Cf. A298221.

Sequence in context: A197621 A318159 A035286 * A299348 A299095 A299877

Adjacent sequences: A298216 A298217 A298218 * A298220 A298221 A298222

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 15 2018

STATUS

approved