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A238309 Number of (n+1)X(4+1) 0..3 arrays with the maximum minus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one 1
85984, 2570594, 73547936, 2095353404, 60499288444, 1753568482738, 50670612949420, 1462889957511854, 42268524829620522, 1221720186835881882, 35302852126473381534, 1020006715783080630310, 29473663465626905494444 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A238311

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..136

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A179575 A234805 A186065 * A203388 A206657 A231322

Adjacent sequences: A238306 A238307 A238308 * A238310 A238311 A238312

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 24 2014

STATUS

approved

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Last modified December 3 13:56 EST 2022. Contains 358534 sequences. (Running on oeis4.)