0,2
Cf. A042750.
Sequence in context: A014382 A035308 A006441 this_sequence A159622 A115692 A132543
Adjacent sequences: A042748 A042749 A042750 this_sequence A042752 A042753 A042754
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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