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Search: id:A068196
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OFFSET
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2,1
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FORMULA
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R. K. Guy, Unsolved Problems in Number Theory, F31. Japanese edition, 1983. [The English edition is different.]
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CROSSREFS
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Sequence in context: A130085 A130281 A010016 this_sequence A044279 A044660 A118613
Adjacent sequences: A068193 A068194 A068195 this_sequence A068197 A068198 A068199
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KEYWORD
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more,nonn,obsc
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AUTHOR
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Naohiro Nomoto (n_nomoto(AT)yabumi.com), Mar 23 2002
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EXTENSIONS
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It would be nice to know more about this sequence. - N. J. A. Sloane (njas(AT)research.att.com), May 09 2007
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