0,1
R. K. Guy, Unsolved Problems in Number Theory, B6.
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Christophe CLAVIER, Aliquot Sequences
Sequence in context: A023307 A122476 A066365 this_sequence A027545 A113708 A020397
Adjacent sequences: A014362 A014363 A014364 this_sequence A014366 A014367 A014368
nonn
Paul.Zimmermann(AT)loria.fr (Paul Zimmermann)
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