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A303324
Number of nX7 0..1 arrays with every element equal to 0, 2, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
1
1, 128, 4, 46, 368, 758, 2956, 15494, 44101, 190416, 843033, 3033091, 12413910, 51530654, 201376755, 814350745, 3304173349, 13195116320, 53237817569, 214790465512, 862745046281, 3476740567795, 14008372152609, 56369700131001
OFFSET
1,2
COMMENTS
Column 7 of A303325.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..1..1..0..0..0. .0..0..1..1..1..0..0. .0..1..0..1..1..0..0
..1..1..0..1..1..0..1. .0..0..1..1..1..0..0. .1..1..1..1..0..0..1
..1..0..1..0..1..0..1. .0..1..0..1..0..1..0. .0..0..0..0..0..0..0
..1..1..0..1..1..0..1. .0..0..1..1..1..0..0. .1..0..1..0..0..1..1
..1..1..0..1..1..0..1. .0..0..1..1..1..0..0. .0..0..0..0..1..1..0
CROSSREFS
Cf. A303325.
Sequence in context: A035880 A010369 A351247 * A121374 A336774 A252487
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 21 2018
STATUS
approved