OFFSET
0,1
LINKS
Sean A. Irvine, Java program (github)
EXAMPLE
For n=0, the two sets are the empty set and a set containing a single isolated vertex. - Sean A. Irvine, Nov 16 2019
CROSSREFS
KEYWORD
nonn,nice,hard,more
AUTHOR
EXTENSIONS
a(0) corrected by Sean A. Irvine, Nov 16 2019
STATUS
approved