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A142166 Primes congruent to 11 mod 39. 1

%I #11 Sep 08 2022 08:45:35

%S 11,89,167,401,479,557,947,1103,1181,1259,1493,1571,2039,2273,2351,

%T 2663,2741,2819,2897,3209,3677,3833,3911,3989,4457,4691,5003,5081,

%U 5237,5393,5471,5783,5861,5939,6173,6329,6563,6719,7109,7187,7499,7577,8123,8513

%N Primes congruent to 11 mod 39.

%H Vincenzo Librandi, <a href="/A142166/b142166.txt">Table of n, a(n) for n = 1..1000</a>

%F a(n) ~ 24n log n. - _Charles R Greathouse IV_, Jul 03 2016

%t Select[Prime[Range[3000]],MemberQ[{11},Mod[#,39]]&] (* _Vincenzo Librandi_, Aug 20 2012 *)

%t Select[Range[11,8600,39],PrimeQ] (* _Harvey P. Dale_, Aug 19 2019 *)

%o (Magma) [p: p in PrimesUpTo(9000) | p mod 39 eq 11 ]; // _Vincenzo Librandi_, Aug 20 2012

%o (PARI) is(n)=isprime(n) && n%39==11 \\ _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 04:42 EDT 2024. Contains 371964 sequences. (Running on oeis4.)