1,2
R. H. Hardin, Table of n, a(n) for n=1..16
Sequence in context: A172644 A172747 A172818 * A172902 A172926 A172946
Adjacent sequences: A172866 A172867 A172868 * A172870 A172871 A172872
nonn
R. H. Hardin Feb 06 2010
approved