1,3
R. H. Hardin, Table of n, a(n) for n=1..17
Sequence in context: A158880 A341874 A137040 * A329911 A088021 A102979
Adjacent sequences: A172730 A172731 A172732 * A172734 A172735 A172736
nonn
R. H. Hardin Feb 06 2010
approved