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A237077 Number of (n+1)X(1+1) 0..2 arrays colored with the maximum plus the minimum minus the upper median minus the lower median of every 2X2 subblock 1
81, 484, 2928, 17644, 106528, 641736, 3871696, 23356112, 140860224, 849369952, 5123163584, 30900608576, 186358734592, 1123916940160, 6778707349760, 40883900374784, 246573431346176, 1487114080196096, 8969081447668736 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 1 of A237082

LINKS

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

FORMULA

Empirical: a(n) = 76*a(n-3) +544*a(n-4) +1272*a(n-5) +3512*a(n-6) +3568*a(n-7) -2944*a(n-8) -4864*a(n-9) -6144*a(n-10)

EXAMPLE

Some solutions for n=5

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

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

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

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

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

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

CROSSREFS

Sequence in context: A236651 A295018 A250613 * A236646 A205246 A205239

Adjacent sequences:  A237074 A237075 A237076 * A237078 A237079 A237080

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 03 2014

STATUS

approved

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Last modified July 1 14:35 EDT 2022. Contains 354973 sequences. (Running on oeis4.)