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!)
A161966 Primes in A161849 in order of appearance. 0
2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 3, 3, 2, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 7, 2, 2, 3, 5, 2, 2, 2, 2, 2, 3, 2, 2, 3, 2, 5, 2, 2, 3, 3, 2, 2, 5, 2, 2, 3, 2, 2, 11, 2, 2, 2, 2, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 3, 2, 3, 2, 2, 2, 2, 2, 5, 3, 2, 2, 2, 2, 2, 2, 2, 7, 2, 2, 3 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

A052369(k) mod A056608(k) where prime.

The remainder of the division of the largest by the smallest prime divisor of the k-th composite, discarding all nonprime results, as k increases.

LINKS

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

EXAMPLE

The first seven entries of A161849 are not prime, and a(1)=A161849(8)=2 is the first one selected.

The entries A161849(9..20) are not prime, and a(2)=A161849(21) is the next one selected.

CROSSREFS

Cf. A002808, A052369, A056608.

Sequence in context: A262954 A262813 A188794 * A187188 A183027 A078178

Adjacent sequences:  A161963 A161964 A161965 * A161967 A161968 A161969

KEYWORD

nonn

AUTHOR

Juri-Stepan Gerasimov, Jun 23 2009

EXTENSIONS

Edited and extended by R. J. Mathar, Aug 02 2009

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 April 7 09:31 EDT 2020. Contains 333300 sequences. (Running on oeis4.)