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A236351
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Number of (n+1)X(3+1) 0..2 arrays colored with the sum of the upper and lower median values of each 2X2 subblock
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1
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2588, 27836, 266600, 2706844, 28890754, 301178180, 3117428148, 32329186968, 336865215998, 3500945078792, 36401829877770, 378300068653556, 3934037891653376, 40891368186374904, 425166200406048014
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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
..2..1..2..2....2..0..0..2....1..0..0..1....1..2..2..2....1..0..0..1
..2..2..1..2....0..2..0..1....2..0..0..2....0..0..1..2....1..0..2..0
..1..1..0..2....2..2..1..2....1..2..2..2....0..1..0..1....1..1..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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