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A303187
Number of 7Xn 0..1 arrays with every element equal to 0, 1, 2, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
1
64, 2785, 6965, 20188, 148501, 1803435, 11901719, 82524101, 673749714, 5256983507, 39517545958, 303611392523, 2352342648937, 18072797704132, 138769608980368, 1068447238205615, 8223731664385640, 63249240912562142
OFFSET
1,1
COMMENTS
Row 7 of A303182.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..0..0..0. .0..1..0..1..0. .0..1..0..1..0. .0..1..0..0..1
..0..1..1..0..1. .0..1..0..0..1. .0..0..0..0..1. .0..0..0..1..1
..0..0..1..0..1. .0..1..0..1..0. .1..1..0..1..0. .0..1..0..1..0
..1..0..1..0..1. .0..1..0..1..0. .0..1..0..1..0. .0..0..0..1..0
..1..0..1..0..1. .1..0..0..0..0. .1..0..0..1..1. .0..1..0..1..0
..1..0..1..0..1. .0..1..0..1..0. .0..1..0..0..0. .1..0..0..1..1
..1..0..1..0..1. .0..1..0..1..1. .1..1..0..1..0. .0..1..0..0..1
CROSSREFS
Cf. A303182.
Sequence in context: A281475 A302628 A302420 * A302328 A303021 A302825
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 19 2018
STATUS
approved