0,5
Cf. A098720, A152301.
Sequence in context: A161922 A027863 A152301 * A114103 A065154 A143408
Adjacent sequences: A152386 A152387 A152388 * A152390 A152391 A152392
nonn,more
N. J. A. Sloane (njas(AT)research.att.com), Oct 23 2009, based on a posting by Allan Wechsler to the Math Fun Mailing List.