0,1
R. K. Guy, Unsolved Problems in Number Theory, B6.
T. D. Noe, Table of n, a(n) for n = 0..268
Christophe CLAVIER, Aliquot Sequences
Paul Zimmermann, Latest information
Sequence in context: A023294 A067235 A113171 this_sequence A143042 A064261 A145750
Adjacent sequences: A014359 A014360 A014361 this_sequence A014363 A014364 A014365
nonn
Paul.Zimmermann(AT)loria.fr (Paul Zimmermann)
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