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!)
A033222 Primes of form x^2+33*y^2. 2

%I #24 Sep 08 2022 08:44:51

%S 37,97,157,181,229,313,397,421,433,577,661,709,757,829,1021,1093,1153,

%T 1213,1237,1321,1453,1489,1549,1609,1621,1741,1753,1873,2017,2029,

%U 2113,2137,2161,2269,2281,2293

%N Primes of form x^2+33*y^2.

%D David A. Cox, "Primes of the Form x^2 + n y^2", Wiley, 1989.

%H Vincenzo Librandi and Ray Chandler, <a href="/A033222/b033222.txt">Table of n, a(n) for n = 1..10000</a> [First 1000 terms from Vincenzo Librandi]

%H N. J. A. Sloane et al., <a href="https://oeis.org/wiki/Binary_Quadratic_Forms_and_OEIS">Binary Quadratic Forms and OEIS</a> (Index to related sequences, programs, references)

%F The primes are congruent to {1, 25, 37, 49, 97} (mod 132). - _T. D. Noe_, Apr 29 2008

%t QuadPrimes2[1, 0, 33, 10000] (* see A106856 *)

%o (Magma) [ p: p in PrimesUpTo(3000) | p mod 132 in {1, 25, 37, 49, 97} ]; // _Vincenzo Librandi_, Jul 20 2012

%Y Cf. A139643.

%K nonn,easy

%O 1,1

%A _N. J. A. Sloane_.

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 March 28 08:22 EDT 2024. Contains 371236 sequences. (Running on oeis4.)