1,2
Table of n, a(n) for n=1..5.
Sequence in context: A177818 A269446 A172824 * A234039 A099114 A013810
Adjacent sequences: A070629 A070630 A070631 * A070633 A070634 A070635
easy,nonn
Benoit Cloitre, May 13 2002
One more term from Benoit Cloitre, Nov 01 2002
approved