The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A369748 a(n) = Sum_{p|n, p prime} prime(n/p). 4
0, 2, 2, 3, 2, 8, 2, 7, 5, 14, 2, 20, 2, 20, 16, 19, 2, 36, 2, 36, 22, 34, 2, 56, 11, 44, 23, 50, 2, 89, 2, 53, 36, 62, 28, 98, 2, 70, 46, 90, 2, 129, 2, 86, 70, 86, 2, 142, 17, 126, 64, 108, 2, 164, 42, 126, 72, 112, 2, 221, 2, 130, 96, 131, 52, 229, 2, 146, 88, 221 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
MATHEMATICA
Table[DivisorSum[n, Prime[n/#] &, PrimeQ[#] &], {n, 100}]
CROSSREFS
Sequence in context: A225244 A345281 A338319 * A280583 A177047 A339665
KEYWORD
nonn,easy
AUTHOR
Wesley Ivan Hurt, Jan 30 2024
STATUS
approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 15 09:53 EDT 2024. Contains 373407 sequences. (Running on oeis4.)