login
A007722
Number of graphical partitions of biconnected graphs with n nodes.
2
1, 3, 9, 34, 125, 473, 1779, 6732, 25492, 96927, 369463, 1412700, 5415117, 20807502, 80120350, 309106496, 1194609429, 4624160156, 17925278497, 69578272204, 270401326899, 1052036082719, 4097343156323, 15973179953261, 62325892264031, 243392644741599
OFFSET
3,2
REFERENCES
F. Ruskey, Alley CATs in search of good homes, Congress. Numerant., 102 (1994) 97-110.
CROSSREFS
KEYWORD
nonn
AUTHOR
EXTENSIONS
a(15)-a(28) added by Kai Wang, Feb 15 2017
STATUS
approved