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A237787 Number of (n+1)X(2+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
1902, 26230, 367726, 5195344, 73170922, 1029281994, 14489762434, 204068007444, 2873241939356, 40449727138522, 569502983806472, 8018543062571802, 112896834642809590, 1589503574124427514, 22379268785330234876 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 2 of A237791

LINKS

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

EXAMPLE

Some solutions for n=2

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

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

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

CROSSREFS

Sequence in context: A177137 A273913 A190651 * A190653 A124628 A253364

Adjacent sequences: A237784 A237785 A237786 * A237788 A237789 A237790

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 13 2014

STATUS

approved

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Last modified January 29 08:01 EST 2023. Contains 359915 sequences. (Running on oeis4.)