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A181710 Near-perfect numbers (A181595) of the form m*2^k, where m=2^(k-1)*(2^k-1) is perfect number (A000396). 1
24, 224, 15872, 1040384, 274844352512 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

All terms of the sequence are in A181702.

LINKS

Table of n, a(n) for n=1..5.

CROSSREFS

Cf. A181595 A181596 A000396 A181701 A181702

Sequence in context: A107968 A269777 A024302 * A201192 A345648 A022684

Adjacent sequences: A181707 A181708 A181709 * A181711 A181712 A181713

KEYWORD

nonn,uned

AUTHOR

Vladimir Shevelev, Nov 07 2010

STATUS

approved

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Last modified January 31 05:18 EST 2023. Contains 359947 sequences. (Running on oeis4.)