1,4
Cf. A098720, A152389.
Sequence in context: A140760 A161922 A027863 this_sequence A152389 A114103 A065154
Adjacent sequences: A152298 A152299 A152300 this_sequence A152302 A152303 A152304
nonn,more
N. J. A. Sloane (njas(AT)research.att.com), Oct 23 2009
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