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A254386
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Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal maximum nondecreasing horizontally, vertically and ne-to-sw antidiagonally
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1
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136868, 4711324, 174326376, 6208345944, 221610958936, 7953519068760, 284691702793848, 10191880755435432, 365002334364846728, 13069563587899442888, 467982287345007065480, 16757507575401906562696
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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..0..0..0..1..1....0..1..1..1..0..0....1..1..1..1..0..0....1..1..1..1..1..1
..1..0..1..1..1..1....1..0..0..0..1..0....1..1..0..1..1..1....0..1..1..0..0..1
..1..0..1..1..1..0....1..1..1..0..1..0....1..1..1..0..0..1....0..0..1..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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