0,1
R. K. Guy, Unsolved Problems in Number Theory, B6.
T. D. Noe, Table of n, a(n) for n = 0..352
Christophe CLAVIER, Aliquot Sequences
Paul Zimmermann, Latest information
Sequence in context: A127347 A063877 A119897 this_sequence A023914 A035849 A028686
Adjacent sequences: A014357 A014358 A014359 this_sequence A014361 A014362 A014363
nonn
Paul.Zimmermann(AT)loria.fr (Paul Zimmermann)
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