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A253293
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Number of (n+1)X(5+1) 0..2 arrays with every 2X2 subblock sum differing from its neighbors horizontally, vertically, diagonally and antidiagonally
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1
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186624, 1184928, 7431136, 61286116, 486417836, 4028778100, 32585471254, 268974784168, 2194325404780, 18267942030516, 149525306842164, 1236309598259424, 10153736125504116, 84093032702185292, 691354236502296106
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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=1
..0..2..2..2..1..1....0..0..1..1..2..2....0..2..1..1..1..1....0..2..1..0..0..0
..1..1..1..2..0..1....2..0..0..2..2..0....0..2..1..0..0..1....2..1..0..2..0..0
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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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