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A270247
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Number of matchings (i.e., Hosoya index) in C_{n} X C_{n}.
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2
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1, 7, 370, 41025, 15637256, 23079663560, 127193770624285, 2645142169931308801, 206932904585998805434690, 60953421285412135689567940992, 67583556205239600880061198746186383, 282092296203355454009618109524478429807744
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OFFSET
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1,2
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COMMENTS
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C_{n} X C_{n} is also known as the (n,n)-torus grid graph.
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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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