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A231443 Number of (n+1)X(n+1) 0..3 arrays with no element unequal to a strict majority of its horizontal and antidiagonal neighbors, with values 0..3 introduced in row major order 0
2, 15, 340, 33659, 9796477, 9081622778, 23670993512633, 180549324060008725, 3898800271416067773477 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Diagonal of A231451
LINKS
EXAMPLE
Some solutions for n=4
..0..0..1..1..1....0..0..0..0..0....0..0..0..0..0....0..0..1..1..1
..0..1..0..0..2....1..1..0..0..0....1..1..1..1..2....0..1..1..1..1
..1..0..0..2..1....1..2..2..2..0....1..1..1..2..2....1..1..1..0..0
..2..2..2..1..1....2..2..2..0..2....2..2..2..1..1....1..1..0..0..1
..3..3..3..3..3....0..0..0..2..2....2..2..1..1..1....0..0..0..1..1
CROSSREFS
Sequence in context: A365358 A297077 A175563 * A068391 A215743 A254224
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 09 2013
STATUS
approved

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Last modified March 29 02:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)