1,2
R. H. Hardin, Table of n, a(n) for n=1..15
Sequence in context: A337740 A180300 A172640 * A172820 A172870 A172906
Adjacent sequences: A172738 A172739 A172740 * A172742 A172743 A172744
nonn
R. H. Hardin Feb 06 2010
approved