1,2
R. H. Hardin, Table of n, a(n) for n=1..13
Sequence in context: A013812 A013894 A128671 * A048948 A172834 A271976
Adjacent sequences: A172763 A172764 A172765 * A172767 A172768 A172769
nonn
R. H. Hardin Feb 06 2010
approved