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A185574
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Number of (n+1)X4 0..3 arrays with no 2X2 subblock sum equal to any horizontal or vertical neighbor 2X2 subblock sum
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0
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44944, 4649320, 480362772, 50465542904, 5296925520216, 554710227464956, 58085158860020628, 6085476832181549456, 637558422416624947542, 66788675132255013566752, 6996533512035946774940652
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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 3X4
..0..0..2..1....0..2..2..0....2..2..0..0....2..3..0..1....2..1..0..3
..0..1..2..2....2..2..2..2....0..2..0..2....2..0..0..0....2..1..0..0
..2..2..2..2....2..2..0..0....2..1..3..2....2..0..2..2....0..1..3..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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