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A232132 Number of (n+1)X(3+1) 0..2 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with values 0..2 introduced in row major order 1
200, 10956, 602468, 33162868, 1825568436, 100495188564, 5532131001812, 304536704087316, 16764354299718484, 922856165828434964, 50802046269213120468, 2796587378080211658132, 153948542186521174138196 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A232137

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

FORMULA

Empirical: a(n) = 65*a(n-1) -588*a(n-2) +2304*a(n-3) -5156*a(n-4) +7136*a(n-5) -5632*a(n-6) +2048*a(n-7) -256*a(n-8)

EXAMPLE

Some solutions for n=2

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

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

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

CROSSREFS

Sequence in context: A230966 A221039 A221502 * A278191 A248453 A035835

Adjacent sequences:  A232129 A232130 A232131 * A232133 A232134 A232135

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 19 2013

STATUS

approved

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Last modified May 13 10:56 EDT 2021. Contains 343839 sequences. (Running on oeis4.)