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Search: id:A117747
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| A117747 |
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Number of different configurations of cycles (loops) in graphs containing directed and undirected links. |
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+0 1
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| 7, 15, 30, 74, 171, 444, 1138, 3048, 8175, 22427, 61686, 171630, 479411
(list; graph; listen)
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