1,28

R. H. Hardin, Table of n, a(n) for n=1..1000

Cf. A000108.

Sequence in context: A329129 A160985 A167968 * A161063 A161267 A161292

Adjacent sequences: A161236 A161237 A161238 * A161240 A161241 A161242

nonn,changed

R. H. Hardin Jun 06 2009

approved