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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A095183 a(n) = least prime of the form prime(n+1) + k*prime(n). 0
5, 11, 17, 53, 79, 43, 53, 61, 167, 89, 223, 263, 617, 563, 241, 271, 179, 311, 607, 499, 809, 241, 421, 631, 683, 709, 313, 751, 331, 353, 2417, 661, 1783, 983, 449, 761, 1733, 1471, 3847, 1217, 1613, 1277, 1721, 1741, 593, 3793, 1489, 673, 683, 691, 1171, 719 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..52.

EXAMPLE

For n = 3 we have prime(n+1) = 7, prime(n) = 5; 17 is the least prime of form 7 + k*5, so a(3) =17.

PROG

(PARI) {m=250; q=2; p=3; while(p<m, k=1; while(!isprime(a=p+k*q), k++); print1(a, ", "); q=p; p=nextprime(p+1))}

CROSSREFS

Sequence in context: A162001 A171713 A174858 * A018730 A050836 A058019

Adjacent sequences:  A095180 A095181 A095182 * A095184 A095185 A095186

KEYWORD

nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jun 02 2004

EXTENSIONS

Edited and extended by Klaus Brockhaus, Jun 03 2004

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified May 19 19:20 EDT 2013. Contains 225436 sequences.