Annual Appeal: Please make a donation (tax deductible in USA) to keep the OEIS running. Over 5000 articles have referenced us, often saying "we discovered this result with the help of the OEIS".
Table of n, a(n) for n=0..18.
Sequence in context: A018587 A163986 A189583 * A027301 A153933 A128601
Adjacent sequences: A153933 A153934 A153935 * A153937 A153938 A153939
R. H. Hardin Jan 03 2009