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..17.
Sequence in context: A054677 A012929 A013161 * A013157 A062742 A009821
Adjacent sequences: A012923 A012924 A012925 * A012927 A012928 A012929
Patrick Demichel (patrick.demichel(AT)hp.com)