The OEIS Foundation is grateful to everyone who made a donation during our Annual Appeal. Visit the new and spectacular Pictures from the OEIS page!
Table of n, a(n) for n=1..55.
Sequence in context: A063190 A101763 A154568 * A242732 A058633 A165143
Adjacent sequences: A020937 A020938 A020939 * A020941 A020942 A020943
More terms from James A. Sellers