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A052152
Number of self-complementary directed 3-multigraphs with loops on 2n nodes.
1
8, 8256, 1431787520, 48038430520647680, 330117345346734148058349568, 483957144078539402095793819136691273728, 155682086691161145712706205845400916732707415735140352
(list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
Table of n, a(n) for n=1..7.
CROSSREFS
Cf. A001374, A047832.
Sequence in context: A114773 A057107 A320864 * A189250 A217025 A268152
Adjacent sequences: A052149 A052150 A052151 * A052153 A052154 A052155
KEYWORD
nonn
AUTHOR
Vladeta Jovovic, Jan 24 2000
STATUS
approved

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Last modified February 16 20:44 EST 2025. Contains 380923 sequences.
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