1,2
Cf. A049281.
Sequence in context: A045952 A130550 A073975 this_sequence A000515 A051609 A001814
Adjacent sequences: A069682 A069683 A069684 this_sequence A069686 A069687 A069688
easy,frac,nonn
Benoit Cloitre (benoit7848c(AT)orange.fr), May 03 2002
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