0,1
Cf. A051634, A054800-A054840.
Sequence in context: A112017 A031935 A137873 this_sequence A123107 A105000 A094377
Adjacent sequences: A054811 A054812 A054813 this_sequence A054815 A054816 A054817
nonn
Henry Bottomley (se16(AT)btinternet.com), Apr 10 2000
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