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A105961 Primes p such that 20*p + 3 is prime. 1

%I #12 Sep 08 2022 08:45:17

%S 2,5,11,13,19,23,37,41,43,53,61,71,79,83,89,103,107,127,151,167,173,

%T 179,181,191,193,197,223,229,233,239,251,281,307,313,317,349,379,421,

%U 431,433,439,443,467,487,523,569,571,587,593,607,613,617,641,653,659

%N Primes p such that 20*p + 3 is prime.

%H Michael De Vlieger, <a href="/A105961/b105961.txt">Table of n, a(n) for n = 1..10000</a>

%t Select[Prime[Range[120]], PrimeQ[20#+3]&]

%o (Magma) [p: p in PrimesUpTo(5000)|IsPrime(20*p+3)] // _Vincenzo Librandi_, Jan 30 2011

%Y Cf. A023238.

%K nonn

%O 1,1

%A _Zak Seidov_, May 05 2005

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Last modified April 25 12:53 EDT 2024. Contains 371969 sequences. (Running on oeis4.)