0,1
Cf. A051634, A054800-A054840.
Sequence in context: A052168 A073495 A073489 this_sequence A154675 A068281 A139668
Adjacent sequences: A054814 A054815 A054816 this_sequence A054818 A054819 A054820
nonn
Henry Bottomley (se16(AT)btinternet.com), Apr 10 2000
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