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A350913
Number of oriented graphs on n unlabeled nodes whose underlying graph is regular.
4
1, 1, 2, 3, 10, 17, 244, 2077, 181018, 12150445, 6986854715, 2456586421099, 12983287104044905, 40482495806423235417, 1213455558602787270259889, 29044259315697996254338202296, 6058969047090883735962137093497249, 785177832305082826579135707562767426031
OFFSET
0,3
LINKS
CROSSREFS
The labeled version is A351264.
Row sums of A350912.
Sequence in context: A192798 A143609 A363430 * A066915 A339924 A333673
KEYWORD
nonn
AUTHOR
Andrew Howroyd, Jan 29 2022
STATUS
approved