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!)
A191066 Primes p that have Kronecker symbol (p|30) = -1. 2
7, 19, 41, 53, 61, 71, 73, 83, 89, 97, 103, 107, 109, 127, 139, 173, 181, 191, 193, 197, 211, 223, 227, 229, 239, 281, 293, 311, 313, 317, 331, 337, 347, 349, 359, 367, 379, 401, 421, 431, 433, 443, 449, 457, 463, 467, 479, 487, 499, 521, 541, 557, 563, 569 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Originally erroneously named "Primes that are not squares mod 30". - M. F. Hasler, Jan 18 2016
REFERENCES
Hirschhorn, Michael D. "On the 2-and 4-dissections of the Rogers-Ramanujan functions." The Ramanujan Journal 40.2 (2016): 227-235.
LINKS
MATHEMATICA
Select[Prime[Range[200]], JacobiSymbol[#, 30]==-1&]
PROG
(Magma) [p: p in PrimesUpTo(569) | KroneckerSymbol(p, 30) eq -1]; // Bruno Berselli, Sep 11 2012
CROSSREFS
Sequence in context: A239359 A120720 A098422 * A087762 A195349 A160422
KEYWORD
nonn,easy
AUTHOR
T. D. Noe, May 25 2011
EXTENSIONS
Definition corrected, following a suggestion from David Broadhurst, by M. F. Hasler, Jan 18 2016
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 May 7 08:08 EDT 2024. Contains 372300 sequences. (Running on oeis4.)