1,3
R. H. Hardin, Table of n, a(n) for n=1..17
Sequence in context: A184127 A068296 A123380 * A008701 A158043 A009767
Adjacent sequences: A172802 A172803 A172804 * A172806 A172807 A172808
nonn
R. H. Hardin, Feb 06 2010
approved