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=3..35.
Sequence in context: A099901 A119846 A119844 * A239877 A032386 A074329
Adjacent sequences: A016057 A016058 A016059 * A016061 A016062 A016063
Robert G. Wilson v