0,3
Cf. A041162.
Sequence in context: A041447 A091021 A042563 * A073914 A041971 A106660
Adjacent sequences: A041160 A041161 A041162 * A041164 A041165 A041166
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).