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A233856
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Number of (n+1)X(4+1) 0..7 arrays with every 2X2 subblock having the sum of the squares of all six edge and diagonal differences equal to 59
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1
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22592, 129728, 716800, 5783176, 41245344, 408524804, 3305571808, 36165120612, 311162540132, 3540193614976, 31421328286552, 361817684370752, 3266860988041532, 37679832905701152, 343785666091863696
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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
..6..3..6..1..6....3..0..5..0..5....0..5..0..5..4....3..1..3..1..6
..5..1..5..5..5....5..1..3..1..3....2..4..4..2..0....0..5..0..5..5
..6..3..6..1..6....6..5..6..5..0....0..5..0..5..4....3..1..3..1..6
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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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