1,17
R. H. Hardin, Table of n, a(n) for n=1..20
Sequence in context: A082589 A198803 A011528 * A128769 A181392 A175531
Adjacent sequences: A172539 A172540 A172541 * A172543 A172544 A172545
nonn
R. H. Hardin Feb 06 2010
approved