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A172618
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Number of n X n 0..2 arrays with row sums 13 and column sums 13
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1
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0, 0, 0, 0, 0, 0, 5040, 1310799454720, 754663198156942150944, 859819730886010540636567920000, 2143395673887060254676185406326252145600, 12011244510939290610945342901003078567310643860160
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history;
text;
internal format)
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OFFSET
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1,7
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LINKS
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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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