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A238294 Number of (n+1)X(2+1) 0..3 arrays with the maximum plus the upper median minus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one 1
1836, 23854, 315906, 4268354, 57285970, 765288116, 10243514512, 137637981750, 1846283781696, 24725132097080, 331342908417490, 4445026705220610, 59603288970762934, 798804042986151504, 10707950110350589226 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 2 of A238298

LINKS

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

EXAMPLE

Some solutions for n=2

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

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

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

CROSSREFS

Sequence in context: A234492 A100970 A159202 * A274683 A231079 A257319

Adjacent sequences: A238291 A238292 A238293 * A238295 A238296 A238297

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 23 2014

STATUS

approved

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Last modified April 1 12:16 EDT 2023. Contains 361691 sequences. (Running on oeis4.)