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A237459 Number of (n+1)X(4+1) 0..2 arrays with the maximum plus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one 1
4272, 25974, 125998, 594190, 2864838, 14469792, 71637702, 345945382, 1692387998, 8423481016, 41623347902, 203854940676, 1002036877470, 4949498743130, 24401744486702, 120014028398474, 590821956837072, 2912112513596448 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A237463

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

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

CROSSREFS

Sequence in context: A023346 A231195 A342565 * A259951 A101619 A239255

Adjacent sequences:  A237456 A237457 A237458 * A237460 A237461 A237462

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 08 2014

STATUS

approved

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Last modified November 29 15:46 EST 2021. Contains 349416 sequences. (Running on oeis4.)