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A182161
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Number of extensional acyclic digraphs on n labeled nodes.
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3
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1, 1, 2, 12, 216, 10560, 1297440, 381013920, 258918871680, 398362519618560, 1366301392119014400, 10325798296570753920000, 170397664079650720884864000, 6094923358716319193283074457600, 469649545161250827117772066578739200, 77556106803568453086056722450983544320000
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,3
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LINKS
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FORMULA
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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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