1,2

Table of n, a(n) for n=1..51.

Sequence in context: A047426 A323527 A316091 * A130788 A288819 A087743

Adjacent sequences: A026484 A026485 A026486 * A026488 A026489 A026490

nonn

Clark Kimberling

More terms from Naohiro Nomoto, Sep 15 2001

approved