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A299851
Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero.
1
64, 3440, 21764, 175258, 1620056, 14789406, 133388471, 1204666013, 10910971094, 98842226678, 895355892034, 8112618918602, 73508846667840, 666052360196248, 6035187521666990, 54686653824313606, 495532598599441224
OFFSET
1,1
COMMENTS
Column 7 of A299852.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..1..1..0..0..1. .0..1..1..0..0..1..0. .0..0..0..0..1..0..0
..1..1..0..0..1..1..0. .0..1..0..0..1..1..0. .1..1..1..0..1..0..1
..0..0..0..0..0..0..1. .0..1..0..1..0..0..1. .0..0..1..0..1..0..1
..0..1..0..1..1..1..0. .0..1..1..0..1..1..0. .0..0..1..0..0..1..1
..0..1..0..0..0..0..0. .0..0..0..0..0..1..0. .0..0..1..0..1..0..1
CROSSREFS
Cf. A299852.
Sequence in context: A298194 A299088 A299344 * A299007 A299674 A299752
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 20 2018
STATUS
approved