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A350794
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Number of digraphs on n unlabeled nodes with a global source and sink.
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24
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1, 1, 2, 20, 574, 48854, 12444800, 9849180230, 25265372689314, 218451490123178684, 6562780921564838071734, 700270642102506752862044142, 269621199012416753533007480951824, 378982029174285293421133982496722212766, 1962119228020498122395242424575089505014761082
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,3
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LINKS
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PROG
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(PARI) A350794seq(15) \\ See link for program code.
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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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