1,2
Table of n, a(n) for n=1..10.
Cf. A060448.
Sequence in context: A104862 A190686 A114471 * A050877 A063203 A130244
Adjacent sequences: A060633 A060634 A060635 * A060637 A060638 A060639
easy,nonn
Naohiro Nomoto, Apr 15 2001
approved