0,3
Cf. A041970.
Sequence in context: A042563 A041163 A073914 * A106660 A130288 A031192
Adjacent sequences: A041968 A041969 A041970 * A041972 A041973 A041974
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).