login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
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 A022684 A297752

Adjacent sequences:  A181707 A181708 A181709 * A181711 A181712 A181713

KEYWORD

nonn,uned

AUTHOR

Vladimir Shevelev, Nov 07 2010

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 26 01:08 EDT 2019. Contains 321479 sequences. (Running on oeis4.)