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URL: https://oeis.org/A135606

⇱ A135606 - OEIS

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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
OFFSET
1,1
CROSSREFS
Cf. A000396.
Sequence in context: A059240 A324363 A166100 * A051845 A278646 A029668
KEYWORD
easy,nonn
AUTHOR
Omar E. Pol, Nov 27 2007
STATUS
approved