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A285756
Number of 7 X n 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 one less than the number of 0's adjacent to some 1.
1
0, 2896, 265920, 27339964, 3077883556, 345505561776, 40895629554933, 4788769986049492, 578161651518199128, 69329034539728070792, 8460129656506891963059, 1028996276834209548728154
OFFSET
1,2
COMMENTS
Row 7 of A285750.
LINKS
EXAMPLE
Some solutions for n=2
..0..0. .0..1. .1..0. .0..0. .1..1. .0..0. .1..1. .1..1. .1..0. .1..0
..0..0. .1..0. .1..1. .1..1. .1..0. .0..0. .0..0. .1..0. .0..1. .1..0
..0..0. .1..0. .0..0. .1..1. .0..1. .0..1. .0..1. .0..0. .0..1. .1..0
..1..0. .1..1. .0..1. .1..0. .1..0. .0..0. .0..0. .0..0. .0..0. .0..0
..1..0. .0..0. .0..0. .1..0. .0..1. .1..1. .0..1. .1..0. .0..0. .0..0
..1..1. .1..0. .0..0. .0..0. .0..0. .1..0. .1..0. .0..0. .1..1. .1..0
..0..0. .0..0. .0..0. .0..1. .1..0. .0..1. .1..0. .1..1. .1..1. .1..1
CROSSREFS
Cf. A285750.
Sequence in context: A235822 A235825 A235580 * A248109 A219963 A340201
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 25 2017
STATUS
approved