OFFSET
1,2
COMMENTS
Computed by Alois P. Heinz and Wouter Meeussen, Mar 27 2010
LINKS
Alois P. Heinz, Table of n, a(n) for n = 1..200
CROSSREFS
KEYWORD
nonn,nice
AUTHOR
R. K. Guy and N. J. A. Sloane, Mar 27 2010
STATUS
approved