login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A093359 Primes of the form 28n + 1. 2
29, 113, 197, 281, 337, 421, 449, 617, 673, 701, 757, 953, 1009, 1093, 1289, 1373, 1429, 1597, 1709, 1877, 1933, 2017, 2129, 2213, 2269, 2297, 2381, 2437, 2521, 2549, 2633, 2689, 2801, 2857, 2969, 3109, 3137, 3221, 3361, 3389, 3529, 3557, 3613, 3697 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Used in a primality test.
LINKS
Chris Caldwell, Prime Test.
MAPLE
p:=proc(n) if isprime(28*n+1)=true then 28*n+1 else fi end: seq(p(n), n=1..160); # Emeric Deutsch, Feb 26 2005
MATHEMATICA
Select[Table[28*n+1, {n, 0, 700}], PrimeQ] (* Vincenzo Librandi, Jul 17 2012
PROG
(Magma) [a: n in [0..200] | IsPrime(a) where a is 28*n+1]; // Vincenzo Librandi, Jul 17 2012
CROSSREFS
Sequence in context: A233118 A338023 A139946 * A158556 A272629 A201602
KEYWORD
nonn,easy
AUTHOR
Jun Mizuki (suzuki32(AT)sanken.osaka-u.ac.jp), Apr 27 2004
EXTENSIONS
More terms from Emeric Deutsch, Feb 26 2005
STATUS
approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)