A054317 Number of unlabeled 2-connected minimally 2-edge-connected graphs with n nodes.

1, 1, 2, 3, 5, 10, 19, 42, 92, 225, 564, 1501, 4127, 11809, 34713, 104904, 323778, 1019538, 3265502, 10624881, 35065697, 117289911, 397290416, 1362060455, 4724272231, 16572501190, 58782486855, 210782826628, 763991002957

Offset: 3

Author

Sridar K. Pootheri (sridar(AT)math.uga.edu), Feb 25 2000

Keywords

• hard
• nice
• nonn

Comments

References also contain the edge breakups for each term.

Links

• S. K. Pootheri, Counting classes of labeled 2-connected graphs, M.S. Dissertation, University of Georgia, 2000.
• S. K. Pootheri, Counting classes of labeled 2-connected graphs, M.S. Thesis, University of Georgia, 2000. [Local copy]
• S. K. Pootheri, Characterizing and counting classes of unlabeled 2-connected graphs, Ph. D. Dissertation, University of Georgia, 2000.
• S. K. Pootheri, Characterizing and counting classes of unlabeled 2-connected graphs, Ph. D. Dissertation, University of Georgia, 2000. [Local copy]

Crossrefs

Cf. A054316, A003317, A001072.