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A237295
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Number of (n+1) X (3+1) 0..3 arrays with the maximum plus the minimum minus the upper median minus the lower median of every 2 X 2 subblock equal.
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1
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5360, 56752, 685244, 9292680, 134597244, 2051387740, 32420171928, 527547020504, 8787002245648, 149199162038628, 2573271092024688, 44949130957009720, 793203709353702320, 14111627418400298736, 252674070132372363880
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OFFSET
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1,1
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COMMENTS
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LINKS
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EXAMPLE
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Some solutions for n=2
..1..1..1..1....1..3..2..3....0..0..0..3....1..1..2..1....2..1..1..0
..0..2..0..0....2..2..1..0....0..1..2..0....2..2..1..0....3..2..0..1
..3..1..3..3....1..3..2..3....0..0..0..1....3..1..2..3....1..0..2..3
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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