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A068285
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1/6 the number of colorings of an n X n staggered hexagonal array with 6 colors.
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1
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1, 80, 65600, 552093440, 47695073906240, 42295002762341131520, 384997602083152626170331200, 35973286295593063089098993201626880, 34502872879799250159432202960093141227521600
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OFFSET
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1,2
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COMMENTS
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Terms for rhombic- and staggered- hexagonal arrays are the same for n in 1..4.
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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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EXTENSIONS
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STATUS
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approved
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