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A253984
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Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal maximum nondecreasing horizontally and vertically
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1
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36317408, 7415403315, 1556452499274, 293237386040072, 57738786884410078, 11391177351977801711, 2226119429950951897595, 436832577011907831233759, 85717227268262467707525062, 16805721140149439150923490050
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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
..0..0..1..1..0..0..0..0..0....0..0..0..1..1..1..0..0..0
..0..0..0..1..1..1..0..0..1....0..0..0..1..1..1..1..0..0
..1..0..0..1..1..1..1..1..1....0..1..1..1..1..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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