0,1
Cf. A042867.
Sequence in context: A142280 A010947 A022626 this_sequence A110824 A010983 A022595
Adjacent sequences: A042863 A042864 A042865 this_sequence A042867 A042868 A042869
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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