OFFSET
1,5
LINKS
Eric Weisstein's World of Mathematics, Class 2 Graph
FORMULA
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Oct 15 2004
EXTENSIONS
a(8) from Eric W. Weisstein, Nov 17 2011
a(9) from Eric W. Weisstein, Nov 21 2011
STATUS
approved