1,2
R. H. Hardin, Table of n, a(n) for n=1..12
Sequence in context: A002818 A119190 A172748 * A172873 A172907 A172932
Adjacent sequences: A172819 A172820 A172821 * A172823 A172824 A172825
nonn
R. H. Hardin Feb 06 2010
approved