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A139960 Primes of the form 12x^2+12xy+37y^2. 1
37, 61, 109, 181, 277, 397, 541, 709, 853, 877, 997, 1093, 1117, 1213, 1621, 1669, 1693, 1741, 1933, 2029, 2221, 2341, 2437, 2557, 2749, 2917, 3037, 3253, 3301, 3373, 3541, 3709, 3733, 3853, 4261, 4357, 4549, 4597, 4621, 4789, 4933, 4957 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Discriminant=-1632. See A139827 for more information.

LINKS

Vincenzo Librandi and Ray Chandler, Table of n, a(n) for n = 1..10000 [First 1000 terms from Vincenzo Librandi]

N. J. A. Sloane et al., Binary Quadratic Forms and OEIS (Index to related sequences, programs, references)

FORMULA

The primes are congruent to {37, 61, 109, 133, 181, 277, 301, 397} (mod 408).

MATHEMATICA

QuadPrimes2[12, -12, 37, 10000] (* see A106856 *)

PROG

(MAGMA) [ p: p in PrimesUpTo(5000) | p mod 408 in [37, 61, 109, 133, 181, 277, 301, 397]]; // Vincenzo Librandi, Aug 02 2012

CROSSREFS

Sequence in context: A288617 A032627 A168006 * A103946 A107142 A158018

Adjacent sequences:  A139957 A139958 A139959 * A139961 A139962 A139963

KEYWORD

nonn,easy

AUTHOR

T. D. Noe, May 02 2008

STATUS

approved

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Last modified June 25 12:01 EDT 2019. Contains 324352 sequences. (Running on oeis4.)