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=1..72.
Sequence in context: A004548 A125921 A029299 * A053121 A113408 A242653
Adjacent sequences: A049800 A049801 A049802 * A049804 A049805 A049806