OFFSET
1,2
COMMENTS
The graphs with an odd number of vertices can't have all odd degrees.
a(n) = A210345(2n). The complementary sequence has all even degrees.
EXAMPLE
For 4 vertices, there are three degree sequences with all terms odd: {3,3,3,3}, {3,1,1,1}, {1,1,1,1}. Thus a(2) = 3.
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Tanya Khovanova and Dai Yang, Mar 20 2012
EXTENSIONS
a(7)-a(17) from Robert Gerbicz, Apr 08 2012
STATUS
approved