A350913 Number of oriented graphs on n unlabeled nodes whose underlying graph is regular.

1, 1, 2, 3, 10, 17, 244, 2077, 181018, 12150445, 6986854715, 2456586421099, 12983287104044905, 40482495806423235417, 1213455558602787270259889, 29044259315697996254338202296, 6058969047090883735962137093497249, 785177832305082826579135707562767426031

Offset: 0

Author

Andrew Howroyd, Jan 29 2022

Keywords

• nonn

Links

• Andrew Howroyd, Table of n, a(n) for n = 0..22

Crossrefs

The labeled version is A351264.

Row sums of A350912.

Cf. A001174, A005176, A350911.