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Directed Acyclic Graph

Created by bassheide. Last edited by bassheide, 7 years and 19 days ago. Viewed 1,131 times. #1
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An acyclic digraph is a directed graph containing no directed cycles, also known as a directed acyclic graph or a "DAG." Every acyclic digraph has at least one node of outdegree 0. The numbers of acyclic digraphs on n = 1, 2, … vertices are 1, 2, 6, 31, 302, 5984, … (>>Sloane's A003087).

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