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A254487
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Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally
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1
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114880, 2523008, 51322752, 1018596736, 20457240960, 410404894080, 8174961189248, 161730929847680, 3210076521423232, 63595517330730368, 1259132794238247296, 24922530212660579712, 493146954808216772992
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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=1
..1..1..0..1..0..0....0..1..1..0..1..0....0..1..0..1..0..0....1..1..1..1..1..0
..1..1..0..0..0..1....1..0..1..1..1..1....0..1..0..0..1..0....1..0..1..1..1..0
..0..0..0..1..1..1....0..0..0..1..1..0....0..1..0..1..1..1....0..0..0..1..1..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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