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A108509
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Number of paths of length n between two arbitrary, distinct vertices in K7, the complete graph on 7 vertices.
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2
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1, 5, 20, 100, 480, 1980, 7680, 29040, 100920, 316320, 923520, 2502000, 6011760, 12584880, 23417280, 38196480, 50112000, 53667840, 64988160, 64988160
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OFFSET
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1,2
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LINKS
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EXAMPLE
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a(5) = 480 because there are 480 paths of length 5 between two arbitrary, distinct vertices in K7.
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CROSSREFS
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KEYWORD
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easy,fini,full,nonn
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AUTHOR
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STATUS
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approved
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