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A204728
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Number of (n+1)X5 0..4 arrays with the permanents of all 2X2 subblocks equal and nonzero
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1
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15688, 353626, 2122560, 45026614, 304649012, 6063334774, 44356355508, 831511885930, 6485389220808, 115070312319692, 948444994398864, 16019519036868662, 138571010386295858, 2240817100121115226
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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=4
..2..4..3..3..3....3..2..2..2..0....0..2..4..1..4....2..0..2..3..0
..3..0..3..1..3....4..0..4..0..4....2..1..0..1..0....0..3..2..0..2
..1..4..0..4..0....4..2..0..2..4....4..0..4..3..4....2..3..0..3..2
..2..4..3..0..3....0..2..4..0..4....1..1..0..1..0....2..0..2..0..2
..3..0..3..4..0....4..1..2..2..4....1..3..4..3..4....0..3..2..3..3
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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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