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A298493
Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 4 or 7 king-move adjacent elements, with upper left element zero.
1
64, 301, 106, 263, 423, 434, 628, 1067, 1267, 1943, 2973, 4583, 6623, 10201, 15735, 23607, 37154, 58435, 88164, 137819, 219204, 340356, 535357, 850699, 1322494, 2078738, 3327832, 5245963, 8287617, 13211475, 20828700, 33025517, 52829061
OFFSET
1,1
COMMENTS
Column 7 of A298494.
LINKS
EXAMPLE
Some solutions for n=9
..0..1..1..1..1..0..0. .0..0..1..0..1..0..0. .0..1..0..1..0..1..0
..0..0..0..0..0..1..1. .1..1..1..0..1..1..1. .0..1..0..1..0..1..0
..1..1..0..0..1..0..1. .1..0..0..0..0..0..1. .0..1..0..1..0..1..0
..0..0..0..0..0..1..1. .1..1..1..0..1..1..1. .0..1..0..1..0..1..0
..0..1..1..1..1..0..0. .0..0..1..0..1..0..0. .1..0..0..0..0..0..1
..0..0..1..1..0..1..0. .1..0..1..1..1..0..1. .1..0..1..1..1..0..1
..1..1..1..1..1..0..0. .1..0..0..0..0..0..1. .1..0..0..0..0..0..1
..1..0..0..0..0..1..1. .0..1..0..1..0..1..0. .0..1..0..1..0..1..0
..1..1..0..0..1..0..1. .0..1..0..1..0..1..0. .0..1..0..1..0..1..0
CROSSREFS
Cf. A298494.
Sequence in context: A297462 A297699 A297888 * A298293 A299387 A299186
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 20 2018
STATUS
approved