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A237468 Number of (n+1)X(4+1) 0..2 arrays with the maximum plus the lower median minus the upper median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one 1
6954, 99086, 1417638, 21134116, 309663940, 4493037466, 65361132006, 963521033936, 14101784196522, 205512527589358, 3000745020165556, 44025822065285190, 644030619009581892, 9404258309421483816 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A237472
LINKS
EXAMPLE
Some solutions for n=2
..1..0..1..2..0....1..1..1..0..2....1..2..1..1..0....0..1..2..0..2
..1..1..0..2..0....0..2..2..1..2....1..1..2..1..1....1..1..0..1..1
..0..0..2..0..1....2..1..2..0..1....2..2..2..1..2....2..0..0..1..0
CROSSREFS
Sequence in context: A072870 A183666 A252368 * A028542 A263287 A234111
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 08 2014
STATUS
approved

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Last modified April 22 12:40 EDT 2024. Contains 371900 sequences. (Running on oeis4.)