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..81.
Sequence in context: A240491 A113750 A004565 * A068450 A071436 A214741
Adjacent sequences: A068446 A068447 A068448 * A068450 A068451 A068452
Benoit Cloitre, Mar 10 2002