0,2
Cf. A042446.
Sequence in context: A076725 A059917 A093625 * A176266 A075872 A075891
Adjacent sequences: A042444 A042445 A042446 * A042448 A042449 A042450
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).