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Primes of the form 26k + 7.
3

%I #15 Sep 08 2022 08:45:34

%S 7,59,137,163,241,293,397,449,631,683,709,761,787,839,1021,1151,1229,

%T 1307,1489,1567,1619,1697,1723,1801,1879,1931,2087,2113,2243,2269,

%U 2347,2399,2477,2503,2633,2659,2711,2789,2971,3023,3049,3257,3361,3413,3491,3517

%N Primes of the form 26k + 7.

%H Daniel Starodubtsev, <a href="/A140371/b140371.txt">Table of n, a(n) for n = 1..10000</a>

%t Select[Range[7, 30000, 26], PrimeQ] (* _Vladimir Joseph Stephan Orlovsky_, Jun 21 2011 *)

%o (Magma) [a: n in [0..250]|IsPrime(a) where a is 26*n+7] // _Vincenzo Librandi_, Dec 18 2010

%Y Cf. A059245, A100202, A102732, A093191, A093350, A092178.

%K nonn

%O 1,1

%A _Juri-Stepan Gerasimov_, Jun 14 2008

%E Edited by _R. J. Mathar_, Jun 16 2008