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A234173
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Number of (n+1) X (4+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 1 (constant-stress 1 X 1 tilings).
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1
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517104, 20235390, 877700068, 40217750640, 1898311922200, 91205700777916, 4425866604068816, 216182302672158584, 10596237458369398636, 520784237104391176680, 25625311461818632717448, 1262549904811344180417180
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OFFSET
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1,1
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LINKS
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EXAMPLE
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Some solutions for n=1:
3 1 1 2 1 0 2 6 3 0 3 1 2 1 4 0 0 2 3 0
3 2 3 5 3 2 3 6 4 0 4 1 3 1 3 3 2 3 3 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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