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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
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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
