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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A139659 Primes of the form x^2+357y^2. 1
373, 421, 457, 613, 757, 1033, 1381, 1429, 1453, 1549, 1597, 1789, 1801, 2053, 2269, 2293, 2389, 2473, 2797, 2857, 3061, 3109, 3217, 3229, 3313, 3469, 3613, 3637, 3697, 3889, 4201, 4657, 4813, 4909, 5653, 5737, 5881, 6073, 6133, 6337 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Discriminant=-1428. See A139643 for more information.

FORMULA

The primes are congruent to {1, 25, 121, 169, 205, 253, 361, 373, 421, 457, 529, 613, 625, 757, 781, 841, 865, 961, 1033, 1045, 1177, 1345, 1369, 1381} (mod 1428).

MATHEMATICA

QuadPrimes[1, 0, 357, 10000] (* see A106856 *)

CROSSREFS

Sequence in context: A161361 A203439 A202912 * A142395 A142921 A133559

Adjacent sequences:  A139656 A139657 A139658 * A139660 A139661 A139662

KEYWORD

nonn,easy

AUTHOR

T. D. Noe (noe(AT)sspectra.com), Apr 29 2008

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 February 14 11:36 EST 2012. Contains 205623 sequences.