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A231970
Number of (n+1)X(n+1) 0..1 arrays with no element having a strict majority of its horizontal and vertical neighbors equal to one
1
9, 56, 841, 43983, 6507601, 2641967397, 3036560660329, 9981109155098235, 93538123901225727364, 2480246214908598898309094, 186787722909431013956841219409, 39975590681225962593258073864460074
OFFSET
1,1
COMMENTS
Diagonal of A231977
LINKS
EXAMPLE
Some solutions for n=2
..1..0..0....0..0..0....0..0..1....0..0..1....1..0..0....0..0..0....0..1..0
..0..0..0....1..1..1....1..0..0....1..0..1....1..0..0....0..0..0....0..0..0
..0..0..1....0..0..0....0..0..0....0..0..0....0..0..0....0..1..1....0..0..1
CROSSREFS
Sequence in context: A274553 A221801 A131468 * A197530 A086888 A231315
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 16 2013
STATUS
approved