1,1
J. S. McCranie, A study of hyperperfect numbers, J. Int. Seqs. Vol. 3 (2000) #P00.1.3
Cf. A007592.
Sequence in context: A038820 A114670 A092776 this_sequence A124977 A128172 A050259
Adjacent sequences: A034913 A034914 A034915 this_sequence A034917 A034918 A034919
nonn
Jud McCranie (j.mccranie(AT)comcast.net)
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