1,1
Ethan Magness, Steven Sinnott and Robert L. Ward, Divisibility Rules
Sequence in context: A003725 A076930 A011068 this_sequence A160208 A021776 A019708
Adjacent sequences: A078146 A078147 A078148 this_sequence A078150 A078151 A078152
sign
Devora Rahav (rahav-d(AT)inter.net.il), Dec 09 2002
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