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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A097795 Number of partitions of 2*n into perfect numbers. 3
0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 2, 2, 1, 2, 2, 1, 2, 2, 1, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 3, 2, 2, 3, 2, 2, 3, 2, 2, 3, 2, 3, 3, 2, 3, 3, 2, 3, 3 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,42

COMMENTS

a(n) = A097796(2*n).

LINKS

Table of n, a(n) for n=1..105.

Eric Weisstein's World of Mathematics, Perfect Number

Eric Weisstein's World of Mathematics, Partition

EXAMPLE

a(45)=2: 2*45 = 90 = 15*6 = 15*A000396(1) = 3*28 + 1*6 = 3*A000396(2) + 1*A000396(1).

CROSSREFS

Cf. A000396, A000041, A058696, A080225.

Sequence in context: A115570 A069288 A152831 * A161076 A161115 A161050

Adjacent sequences:  A097792 A097793 A097794 * A097796 A097797 A097798

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Aug 25 2004

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 June 20 00:47 EDT 2019. Contains 324223 sequences. (Running on oeis4.)