OFFSET
1,1
LINKS
A. Casagrande, C. Piazza, A. Policriti, Is hyper-extensionality preservable under deletions of graph elements?, Preprint 2015.
Christopher Tubbs et al., GitHub Hypersets Project for generating integers in the sequence.
CROSSREFS
KEYWORD
nonn,hard,more
AUTHOR
Elaine Milito (emilito(AT)bird.wcupa.edu)
EXTENSIONS
a(6)-a(7) from Christopher Tubbs, Oct 19 2013
STATUS
approved