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A298220 Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 4 or 5 king-move adjacent elements, with upper left element zero. 1
64, 353, 451, 4767, 30780, 150617, 1261845, 8555774, 57269902, 425814658, 2966495520, 20993370991, 151153645049, 1069021092485, 7615451236569, 54386372056788, 386712508375753, 2755713914705831, 19642030950592575 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A298221.

LINKS

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

EXAMPLE

Some solutions for n=6

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

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

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

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

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

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

CROSSREFS

Cf. A298221.

Sequence in context: A297642 A061102 A016779 * A299349 A299096 A299878

Adjacent sequences:  A298217 A298218 A298219 * A298221 A298222 A298223

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 15 2018

STATUS

approved

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Last modified April 20 03:36 EDT 2019. Contains 322294 sequences. (Running on oeis4.)