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A237788 Number of (n+1)X(3+1) 0..3 arrays with the maximum plus the minimum minus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one 1
14369, 367726, 9679862, 256311790, 6776019974, 178512761384, 4719215160352, 124491992110564, 3291189351446428, 86781113390907628, 2294272449796529692, 60504261616217262684, 1599566865451349739950, 42181079672005552386760 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A237791

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A228468 A296813 A234678 * A106725 A253266 A190469

Adjacent sequences: A237785 A237786 A237787 * A237789 A237790 A237791

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 13 2014

STATUS

approved

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Last modified February 4 07:13 EST 2023. Contains 360046 sequences. (Running on oeis4.)