1,5
R. H. Hardin, Table of n, a(n) for n=1..13
Sequence in context: A354070 A273936 A287247 * A172588 A172691 A172785
Adjacent sequences: A172575 A172576 A172577 * A172579 A172580 A172581
nonn
R. H. Hardin Feb 06 2010
approved