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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A139853 Primes of the form 11x^2+6xy+11y^2. 1
11, 43, 67, 107, 163, 179, 211, 331, 347, 379, 443, 491, 499, 547, 571, 659, 683, 739, 827, 883, 907, 947, 1019, 1051, 1163, 1171, 1187, 1283, 1451, 1499, 1523, 1579, 1619, 1667, 1723, 1747, 1787, 2003, 2011, 2027, 2083, 2179, 2251, 2339, 2347 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Discriminant=-448. See A139827 for more information.

FORMULA

The primes are congruent to {11, 43, 51} (mod 56).

MATHEMATICA

Union[QuadPrimes[11, 6, 11, 10000], QuadPrimes[11, -6, 11, 10000]] (* see A106856 *)

CROSSREFS

Sequence in context: A089712 A155711 A141195 * A023299 A031904 A022279

Adjacent sequences:  A139850 A139851 A139852 * A139854 A139855 A139856

KEYWORD

nonn,easy

AUTHOR

T. D. Noe (noe(AT)sspectra.com), May 02 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 11:13 EST 2012. Contains 205617 sequences.