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A142108 Primes congruent to 25 mod 36. 2

%I #13 Sep 08 2022 08:45:35

%S 61,97,241,277,313,349,421,457,601,673,709,853,997,1033,1069,1213,

%T 1249,1321,1429,1609,1753,1789,1861,1933,2113,2221,2293,2437,2473,

%U 2617,2689,2797,2833,3049,3121,3229,3301,3373,3517,3697,3733,3769,3877,4021,4057

%N Primes congruent to 25 mod 36.

%H Vincenzo Librandi, <a href="/A142108/b142108.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[Range[25, 20000, 36], PrimeQ] (* _Vladimir Joseph Stephan Orlovsky_, Jul 02 2011 *)

%t Select[Prime[Range[1500]],MemberQ[{25},Mod[#,36]]&] (* _Vincenzo Librandi_, Aug 19 2012 *)

%o (PARI) select(n->n%35==25,primes(1000)) \\ _Charles R Greathouse IV_, Jul 02, 2011

%o (Magma) [p: p in PrimesUpTo(5000) | p mod 36 eq 25 ]; // _Vincenzo Librandi_, Aug 19 2012

%Y Cf. A000040.

%K nonn,easy

%O 1,1

%A _N. J. A. Sloane_, Jul 11 2008

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Last modified September 19 16:34 EDT 2024. Contains 376014 sequences. (Running on oeis4.)