0,1
Cf. A041161.
Sequence in context: A177179 A041677 A153316 * A089565 A001154 A177368
Adjacent sequences: A041157 A041158 A041159 * A041161 A041162 A041163
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).