90614

Appears in sequences

• Number of isomorphism classes of connected 7-regular loopless multigraphs of order 2n.at n=3A129423
• Number of connected n-regular loopless multigraphs on eight unlabeled nodes.at n=7A325474
• Array read by antidiagonals: T(n,r) is the number of connected r-regular loopless multigraphs on n unlabeled nodes.at n=128A328682