0,2
Cf. A041858.
Sequence in context: A173511 A182868 A178947 * A022266 A145995 A018973
Adjacent sequences: A041856 A041857 A041858 * A041860 A041861 A041862
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).