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!)
A140846 Primes of the form 210k + 31. 0
31, 241, 661, 1291, 2131, 2341, 2551, 2971, 3181, 3391, 4021, 4231, 4441, 4651, 4861, 5281, 5701, 6121, 6961, 7591, 8011, 8221, 8431, 8641, 9901, 10111, 10321, 10531, 11161, 12211, 12421, 12841, 13681, 14731, 15361, 15991, 16411, 16831, 17041 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..39.

MATHEMATICA

Select[31+210Range[0, 150], PrimeQ] (* Ray Chandler, Apr 29 2010 *)

PROG

(MAGMA) [ a: n in [0..900] | IsPrime(a) where a is 210*n+31] // Vincenzo Librandi, Nov 24 2010

CROSSREFS

Cf. A073102.

Sequence in context: A075932 A161747 A059899 * A082544 A173832 A272162

Adjacent sequences:  A140843 A140844 A140845 * A140847 A140848 A140849

KEYWORD

nonn

AUTHOR

Juri-Stepan Gerasimov, Jul 04 2008

EXTENSIONS

Extended by Ray Chandler, Apr 29 2010

More terms from Vincenzo Librandi, Apr 28 2010

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 September 19 14:14 EDT 2020. Contains 337178 sequences. (Running on oeis4.)