OFFSET
1,2
REFERENCES
Computed by Brendan Owen.
LINKS
CROSSREFS
KEYWORD
nonn,hard,more,nice
AUTHOR
N. J. A. Sloane, Oct 29 2000
EXTENSIONS
Link updated by William Rex Marshall, Dec 16 2009
a(7) from Sean A. Irvine, Jul 02 2022
STATUS
approved