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A235903 Number of (n+1)X(n+1) 0..2 arrays with the minimum plus the maximum unequal to the lower median plus the upper median in every 2X2 subblock 0
48, 2618, 499136, 345346064, 857962921984, 7811201385507328, 255816922168544755712, 30633164148603574977495040, 13208063635613504917943049781248, 20777352152271659562944823135125372928 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Diagonal of A235911

LINKS

Table of n, a(n) for n=1..10.

EXAMPLE

Some solutions for n=2

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

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

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

CROSSREFS

Sequence in context: A079240 A275564 A275089 * A208442 A203488 A162700

Adjacent sequences:  A235900 A235901 A235902 * A235904 A235905 A235906

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 16 2014

STATUS

approved

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Last modified September 20 18:52 EDT 2019. Contains 327245 sequences. (Running on oeis4.)