0,1
Cf. A042887.
Sequence in context: A131992 A042884 A153073 this_sequence A042888 A078656 A095322
Adjacent sequences: A042883 A042884 A042885 this_sequence A042887 A042888 A042889
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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