1,2
R. H. Hardin, Table of n, a(n) for n=1..11
Sequence in context: A196886 A172874 A316558 * A214375 A045916 A033406
Adjacent sequences: A172906 A172907 A172908 * A172910 A172911 A172912
nonn
R. H. Hardin Feb 06 2010
approved