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

 

Logo

Thanks to everyone who made a donation during our annual appeal!
To see the list of donors, or make a donation, see the OEIS Foundation home page.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A069551 Squarefree part of n equals A062799(n). 0
27, 28, 40, 63, 175, 208, 250, 847, 1053, 1183, 1216, 1408, 1656, 2023, 2527, 3125, 3703, 4600, 5887, 6727, 8125, 8496, 9016, 9583, 11767, 12943, 13851, 15463, 19116, 19652, 19663, 22264, 23600, 24367, 26047, 26568, 31096, 31213, 31423, 31744 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..40.

FORMULA

n such that A007913(n)=A062799(n)

PROG

(PARI) for(n=1, 50000, if(core(n)==sumdiv(n, d, omega(d)), print1(n, ", ")))

CROSSREFS

Sequence in context: A258267 A031171 A106126 * A022397 A042470 A042468

Adjacent sequences:  A069548 A069549 A069550 * A069552 A069553 A069554

KEYWORD

nonn

AUTHOR

Benoit Cloitre, Apr 17 2002

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 January 18 06:34 EST 2019. Contains 319269 sequences. (Running on oeis4.)