OFFSET
1,2
COMMENTS
Resistance-equivalent graphs first exist for n = 9.
LINKS
Eric Weisstein's World of Mathematics, Resistance-Equivalent Graphs
FORMULA
CROSSREFS
KEYWORD
nonn,hard
AUTHOR
Eric W. Weisstein, Dec 30 2010
EXTENSIONS
a(10) from Eric W. Weisstein, Jan 03 2011
STATUS
approved