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A185492
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Number of (n+1)X5 binary arrays with every 2X2 subblock sum equal to some horizontal or vertical neighbor 2X2 subblock sum
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1
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160, 3792, 59384, 1020072, 17217132, 294899588, 5020204316, 85864759616, 1465390598424, 25047911812192, 427817986674120, 7310912481712556, 124902386267052984, 2134247440666874192, 36465326357492615132
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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 4X5
..1..1..1..1..0....0..1..0..0..1....1..0..1..0..1....0..1..1..0..0
..0..1..1..1..1....1..1..1..1..1....0..1..0..0..0....1..1..0..1..1
..1..1..0..0..1....0..0..0..0..1....0..0..0..0..0....0..0..0..0..0
..0..0..1..1..0....1..0..1..1..0....1..1..1..1..1....1..1..1..1..1
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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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