0,3
Cf. A041682.
Sequence in context: A071887 A168143 A111043 this_sequence A064172 A111198 A081645
Adjacent sequences: A041680 A041681 A041682 this_sequence A041684 A041685 A041686
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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