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A204837
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Number of (n+1)X6 0..2 arrays with the permanents of all 2X2 subblocks equal and nonzero
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1
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2048, 21380, 157872, 1438706, 11643054, 102186340, 852866652, 7401341360, 62559638330, 541098230290, 4603000012148, 39777249760844, 339717186256760, 2935286205895216, 25139048468622558, 217230974640825190
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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..1..0..1..0..1....0..2..2..2..1..0....2..2..0..2..2..0....0..2..2..0..2..2
..1..0..1..2..1..1....1..0..1..0..1..2....1..1..2..0..2..2....1..1..0..1..1..0
..1..1..0..1..0..1....1..2..2..2..1..0....2..2..0..2..2..0....1..1..2..0..2..2
..1..0..1..2..1..0....1..0..1..0..1..2....0..2..2..1..1..2....1..1..0..1..0..1
..0..1..0..1..0..1....2..2..0..2..0..2....2..2..0..2..2..0....0..2..2..1..2..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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