Annual Appeal: Please make a donation (tax deductible in USA) to keep the OEIS running. Over 4500 articles have referenced us, often saying "we would not have discovered this result without the OEIS".
Table of n, a(n) for n=1..39.
Sequence in context: A044702 A063320 A255793 * A044783 A154361 A165762
Adjacent sequences: A044399 A044400 A044401 * A044403 A044404 A044405