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A298229
Number of nX7 0..1 arrays with every element equal to 0, 1, 3, 4 or 5 king-move adjacent elements, with upper left element zero.
1
21, 348, 219, 15646, 71212, 1166270, 25406586, 353699661, 6688607300, 128037046425, 2233455463049, 41229191798129, 775524676522648, 14045073377885063, 259265856410756757, 4817848310541414512
OFFSET
1,1
COMMENTS
Column 7 of A298230.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..1..0..0..0. .0..1..1..1..1..1..0. .0..1..1..0..1..0..0
..1..1..0..0..0..0..0. .1..1..0..0..1..0..1. .0..1..1..1..1..1..1
..1..1..0..1..1..1..1. .1..1..0..0..1..0..0. .1..1..0..0..1..0..0
..0..0..0..1..1..0..0. .1..1..0..1..1..0..0. .1..1..0..0..1..0..0
..1..1..0..0..0..0..0. .1..1..0..1..1..0..0. .0..1..1..1..1..1..1
CROSSREFS
Cf. A298230.
Sequence in context: A075921 A201878 A318269 * A298153 A299127 A299885
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 15 2018
STATUS
approved