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A299660
Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 3, 4, 5 or 7 king-move adjacent elements, with upper left element zero.
1
64, 8192, 624007, 53909088, 4634931975, 400012077773, 34546300829517, 2983786339120760, 257723568617382229, 22261041202423804183, 1922815213079467303536, 166084822425643801285901
OFFSET
1,1
COMMENTS
Column 7 of A299661.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..0..1..0..1. .0..0..0..0..1..1..1. .0..0..0..1..1..0..1
..0..0..1..1..1..0..0. .0..0..1..0..1..0..1. .0..0..1..1..0..1..0
..0..0..0..1..0..1..0. .0..0..0..0..1..0..0. .0..0..0..1..1..1..0
..0..0..0..0..1..0..1. .0..0..0..0..1..1..0. .0..0..0..0..0..1..1
..0..0..1..1..1..0..1. .0..0..1..0..0..1..1. .0..0..1..1..0..0..1
CROSSREFS
Cf. A299661.
Sequence in context: A317564 A299739 A302740 * A300214 A302746 A300803
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 15 2018
STATUS
approved