A029893 Number of graphical partitions with up to n parts (?).
1, 2, 4, 10, 24, 68, 198, 656, 2112
Offset: 1
References
- R. A. Brualdi, H. J. Ryser, Combinatorial Matrix Theory, Cambridge Univ. Press, 1992.
Links
- T. M. Barnes and C. D. Savage, A recurrence for counting graphical partitions, Electronic J. Combinatorics, 2 (1995).
- Index entries for sequences related to graphical partitions
Formula
Calculated using Cor. 6.3.3, Th. 6.3.6, Cor. 6.2.5 of Brualdi-Ryser.