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A034916
31752-hyperperfect numbers: n = 31752*(sigma(n)-n-1) + 1.
7
4660241041, 7220722321, 12994506001, 52929885457, 60771359377
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OFFSET
1,1
COMMENTS
No other terms below 10^19. -
Max Alekseyev
, Dec 01 2019
LINKS
Table of n, a(n) for n=1..5.
J. S. McCranie,
A study of hyperperfect numbers
, J. Int. Seqs. Vol. 3 (2000) #P00.1.3.
CROSSREFS
Cf.
A000396
,
A007593
,
A220290
,
A028499
-
A028502
.
Sequence in context:
A270305
A286817
A280182
*
A172726
A172797
A199631
Adjacent sequences:
A034913
A034914
A034915
*
A034917
A034918
A034919
KEYWORD
hard
,
more
,
nonn
AUTHOR
Jud McCranie
STATUS
approved
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Last modified September 19 17:13 EDT 2024. Contains 376014 sequences. (Running on oeis4.)