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A278186
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Number of nX5 0..3 arrays with every element plus 1 mod 4 equal to some element at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) or (1,0), with upper left element zero.
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1
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0, 935, 295190, 81691958, 23124026160, 6545874548694, 1852662745588838, 524386828923495662, 148424784547109672280, 42010806495461042971956, 11890925205860266718183950, 3365660260074301506275917454
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OFFSET
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1,2
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COMMENTS
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LINKS
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EXAMPLE
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Some solutions for n=2
..0..1..0..2..0. .0..2..0..1..3. .0..1..0..0..1. .0..2..3..2..1
..1..2..3..3..1. .1..3..1..2..0. .3..2..1..3..2. .1..1..0..3..2
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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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