0,1
Cf. A051634, A054800-A054840.
Sequence in context: A154675 A068281 A139668 this_sequence A127410 A045201 A020407
Adjacent sequences: A054815 A054816 A054817 this_sequence A054819 A054820 A054821
nonn
Henry Bottomley (se16(AT)btinternet.com), Apr 10 2000
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