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Search: id:A052170
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A052170 Number of directed multigraphs with n arcs. +0
3
1, 1, 6, 24, 130, 688, 4211, 26840, 184153, 1328155, 10078617, 79926478, 660616432, 5671793248, 50459837996, 464139053799 (list; graph; listen)
OFFSET

0,3
CROSSREFS

Cf. A050535, A007717, A037240, A050930.

Sequence in context: A047865 A060249 A052557 this_sequence A027224 A110707 A047712

Adjacent sequences: A052167 A052168 A052169 this_sequence A052171 A052172 A052173

KEYWORD

more,nonn

AUTHOR

Vladeta Jovovic (vladeta(AT)eunet.rs), Jan 26 2000

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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.

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