0,2
Cf. A042888.
Sequence in context: A043067 A095970 A020221 this_sequence A042177 A089767 A135784
Adjacent sequences: A042886 A042887 A042888 this_sequence A042890 A042891 A042892
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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