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A237401 Number of (n+1) X (3+1) 0..3 arrays with the maximum plus the upper median plus the lower median minus the minimum of every 2 X 2 subblock differing from its horizontal and vertical neighbors by exactly one. 1
9296, 126848, 1748190, 25159676, 361453184, 5197555932, 74749364118, 1077627856648, 15531402661308, 223495979069900, 3216439008082184, 46370877351516392, 668414586969745184, 9618695801956763148 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A237403.

LINKS

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

EXAMPLE

Some solutions for n=2

..2..1..3..0....1..1..0..0....0..0..0..1....2..3..0..3....0..2..2..2

..0..1..0..3....2..3..2..3....1..1..2..1....3..1..2..0....1..3..2..0

..3..1..2..0....2..3..1..0....2..1..2..0....2..0..2..0....3..2..3..2

CROSSREFS

Sequence in context: A100696 A225024 A343193 * A345594 A345852 A257270

Adjacent sequences:  A237398 A237399 A237400 * A237402 A237403 A237404

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 07 2014

STATUS

approved

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Last modified May 27 16:48 EDT 2022. Contains 354110 sequences. (Running on oeis4.)