0,4
F. Harary and E. M. Palmer, Graphical Enumeration, Academic Press, NY, 1973, p. 219.
Table of n, a(n) for n=0..5.
Sequence in context: A107887 A187118 A121812 * A296979 A004127 A058115
Adjacent sequences: A039747 A039748 A039749 * A039751 A039752 A039753
dead
approved