0,1
Cf. A051634, A054800-A054840.
Sequence in context: A031934 A020423 A031804 this_sequence A133539 A100970 A112017
Adjacent sequences: A054810 A054811 A054812 this_sequence A054814 A054815 A054816
nonn
Henry Bottomley (se16(AT)btinternet.com), Apr 10 2000
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