OFFSET
1,7
COMMENTS
a(n) > 0 for all odd n >= 3 (Hladnik, Marušič, and Pisanski, 2002).
LINKS
Pontus von Brömssen, Table of n, a(n) for n = 1..2047
Milan Hladnik, Dragan Marušič, and Tomaž Pisanski, Cyclic Haar graphs, Discrete Mathematics 244 (2002), 137-152.
Eric Weisstein's World of Mathematics, Haar Graph.
CROSSREFS
KEYWORD
nonn
AUTHOR
Pontus von Brömssen, Sep 08 2022
STATUS
approved