A299178 - OEIS

A299178

Number of nX6 0..1 arrays with every element equal to 0, 1, 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero.

32, 969, 1860, 7016, 30089, 123258, 488812, 1973932, 7998917, 32133289, 129295516, 521825491, 2103866573, 8477867045, 34181235225, 137822897266, 555658803759, 2240383895918, 9033674194617, 36426046739915, 146881842890670

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OFFSET

1,1

COMMENTS

Column 6 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..1. .0..1..0..1..1..1. .0..1..0..1..0..0. .0..0..1..1..0..1

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

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

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

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

CROSSREFS

Cf. A299180.

Sequence in context: A281342 A298285 A299357 * A299940 A274894 A275136

Adjacent sequences: A299175 A299176 A299177 * A299179 A299180 A299181

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 04 2018

STATUS

approved