login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A079803 A079802(n)/A079802(n-1). 3
4, 6, 17, 91, 31455, 1397917365 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,1

LINKS

Table of n, a(n) for n=2..7.

PROG

(PARI) p=2; s=p; while(s<10^9, p=nextprime(p+1); a=p; while(a%s>0, p=nextprime(p+1); a=a+p); print1(a/s, ", "); s=a)

CROSSREFS

Cf. A079802, A079804, A079805.

Sequence in context: A302878 A270270 A211949 * A061361 A332986 A113610

Adjacent sequences:  A079800 A079801 A079802 * A079804 A079805 A079806

KEYWORD

more,nonn

AUTHOR

Amarnath Murthy, Feb 05 2003

EXTENSIONS

Edited and extended by Klaus Brockhaus, Feb 13 2003

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 July 11 23:46 EDT 2020. Contains 335653 sequences. (Running on oeis4.)