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A223118 Number of 5Xn 0..2 arrays with exactly floor(5Xn/2) elements equal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..3 order 0
0, 1222, 92011, 10831996, 713593552, 92719306520, 6216619654268, 835754508657402, 56886498701051251 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 5 of A223114

LINKS

Table of n, a(n) for n=1..9.

EXAMPLE

Some solutions for n=3

..0..1..2....0..1..2....0..1..2....0..1..2....0..0..0....0..1..2....0..1..0

..1..0..1....0..2..0....0..1..1....2..1..0....1..0..1....1..1..0....0..2..0

..1..2..2....1..0..2....1..2..0....0..1..2....2..1..2....2..0..2....2..2..0

..1..0..1....1..2..1....1..1..1....1..0..2....0..1..0....2..1..0....2..0..0

..1..0..2....1..2..1....2..0..2....1..1..1....2..1..2....2..0..2....2..1..2

CROSSREFS

Sequence in context: A053655 A068262 A328991 * A128655 A251446 A014488

Adjacent sequences: A223115 A223116 A223117 * A223119 A223120 A223121

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 14 2013

STATUS

approved

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Last modified March 27 03:47 EDT 2023. Contains 361553 sequences. (Running on oeis4.)