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A235105
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Number of (n+1) X (6+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 4, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).
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1
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236496, 523532, 1201872, 2978124, 7614452, 20552136, 57035088, 165182704, 490588960, 1509762708, 4755375684, 15442715664, 51249301928, 174685145432, 607655794872, 2164160490812, 7854511637236, 29102005370312, 109687007091232
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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:
0 1 3 4 2 1 3 3 1 0 3 0 6 1 0 3 5 6 4 6 0
6 3 1 6 0 3 1 6 0 3 2 3 5 4 1 0 6 3 5 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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