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A237675 Number of (n+1)X(4+1) 0..3 arrays with the maximum plus the upper median plus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one 1
63000, 1346420, 30618976, 796647426, 20221334140, 498113608930, 12343384024320, 311516250091564, 7827815524635584, 195109685747765892, 4870240306854393988, 122133722554552201048, 3060221955313330464924 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A237677

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..64

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A209207 A224649 A253854 * A135430 A049025 A322679

Adjacent sequences:  A237672 A237673 A237674 * A237676 A237677 A237678

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 11 2014

STATUS

approved

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Last modified May 26 21:56 EDT 2022. Contains 354092 sequences. (Running on oeis4.)