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A142310 Primes congruent to 41 mod 44. 1

%I #9 Sep 08 2022 08:45:36

%S 41,173,349,569,613,701,877,1009,1097,1229,1361,1493,1669,1801,1889,

%T 1933,2153,2417,2549,2593,2857,3121,3209,3253,3517,4001,4133,4177,

%U 4397,4441,4793,4969,5101,5189,5233,5717,5849,5981,6113,6421,6553,6949,7213,7433

%N Primes congruent to 41 mod 44.

%H Vincenzo Librandi, <a href="/A142310/b142310.txt">Table of n, a(n) for n = 1..1000</a>

%F a(n) ~ 20n log n. - _Charles R Greathouse IV_, Jul 03 2016

%t Select[Prime[Range[2500]],MemberQ[{41},Mod[#,44]]&] (* _Vincenzo Librandi_, Aug 25 2012 *)

%o (Magma) [p: p in PrimesUpTo(8000) | p mod 44 eq 41]; // _Vincenzo Librandi_, Aug 25 2012

%o (PARI) is(n)=isprime(n) && n%44==41 \\ _Charles R Greathouse IV_, Jul 03 2016

%Y Cf. A000040.

%K nonn,easy

%O 1,1

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

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Last modified April 25 11:39 EDT 2024. Contains 371969 sequences. (Running on oeis4.)