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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A073704 Smallest prime p such that also p-prime(n)*2 is a prime. 3
7, 11, 13, 17, 29, 29, 37, 41, 53, 61, 67, 79, 89, 89, 97, 109, 131, 127, 137, 149, 149, 163, 173, 181, 197, 233, 211, 227, 223, 229, 257, 269, 277, 281, 311, 307, 317, 331, 337, 349, 389, 367, 389, 389, 397, 401, 433, 449, 457, 461, 479, 491, 487, 509, 521 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..55.

CROSSREFS

Cf. A073703, A001747, A000040, A020484.

Sequence in context: A191079 A279190 A309671 * A040108 A038931 A141189

Adjacent sequences:  A073701 A073702 A073703 * A073705 A073706 A073707

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Aug 04 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 October 22 18:17 EDT 2019. Contains 328319 sequences. (Running on oeis4.)