1,2
R. H. Hardin, Table of n, a(n) for n=1..16
Sequence in context: A180299 A172644 A172747 * A172869 A172902 A172926
Adjacent sequences: A172815 A172816 A172817 * A172819 A172820 A172821
nonn
R. H. Hardin Feb 06 2010
approved