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Search: id:A134954
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| A134954 |
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Number of "hyperforests" on n labeled nodes, i.e. hypergraphs that have no cycles, assuming that each edge contains at least two vertices. |
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4
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| 1, 1, 2, 8, 55, 562, 7739, 134808, 2846764, 70720278, 2021462055, 65365925308, 2359387012261, 94042995460130, 4102781803365418, 194459091322828280, 9950303194613104995, 546698973373090998382, 32101070021048906407183
(list; graph; listen)
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