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A135606
Nearest-neighbors of perfect numbers.
0
5, 7, 27, 29, 495, 497, 8127, 8129, 33550335, 33550337, 8589869055, 8589869057, 137438691327, 137438691329, 2305843008139952127, 2305843008139952129, 2658455991569831744654692615953842175
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OFFSET
1,1
LINKS
Table of n, a(n) for n=1..17.
CROSSREFS
Cf.
A000396
.
Sequence in context:
A059240
A324363
A166100
*
A051845
A278646
A029668
Adjacent sequences:
A135603
A135604
A135605
*
A135607
A135608
A135609
KEYWORD
easy
,
nonn
AUTHOR
Omar E. Pol
, Nov 27 2007
STATUS
approved
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Last modified April 18 04:56 EDT 2024. Contains 371767 sequences. (Running on oeis4.)