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..48.
Sequence in context: A062899 A061811 A252066 * A069541 A062768 A161333
Adjacent sequences: A031098 A031099 A031100 * A031102 A031103 A031104