OFFSET
3,2
REFERENCES
F. Ruskey, Alley CATs in search of good homes, Congress. Numerant., 102 (1994) 97-110.
LINKS
Wang Kai, Table of n, a(n) for n = 3..101
Kai Wang, Efficient Counting of Degree Sequences, arXiv preprint arXiv:1604.04148 [math.CO], 2016-2017.
CROSSREFS
KEYWORD
nonn
AUTHOR
EXTENSIONS
a(15)-a(28) added by Kai Wang, Feb 15 2017
STATUS
approved