0,3
Cf. A041164.
Sequence in context: A131510 A181443 A136488 * A041006 A083465 A144934
Adjacent sequences: A041162 A041163 A041164 * A041166 A041167 A041168
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).