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Number of unlabeled loopless multigraphs with n edges and degree >= 3 at each node.
1

%I #4 Feb 25 2023 20:57:18

%S 0,0,1,1,2,7,13,35,101,295,928,3168,11247,42263

%N Number of unlabeled loopless multigraphs with n edges and degree >= 3 at each node.

%F Euler transform of A360867.

%Y Cf. A050535, A360865 (loops allowed), A360867 (connected).

%K nonn,more

%O 1,5

%A _Andrew Howroyd_, Feb 25 2023