1,2
R. H. Hardin, Table of n, a(n) for n=1..14
Sequence in context: A172869 A172902 A172926 * A237478 A115535 A109252
Adjacent sequences: A172943 A172944 A172945 * A172947 A172948 A172949
nonn
R. H. Hardin Feb 06 2010
approved