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A153469
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1/6 of the number of 6-colorings of a planar n X n X n triangular grid.
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1
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1, 20, 1280, 262400, 172336640, 362631649280, 2444725581455360, 52804515715254149120, 3654168284344820145766400, 810181920328696211112009728000, 575510260400583306243122436913233920
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OFFSET
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1,2
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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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