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A201486 Primes of the form 5n^2 + 8. 1

%I #6 Sep 08 2022 08:46:01

%S 13,53,613,853,1453,2213,4813,6133,10133,16253,19853,22453,23813,

%T 37853,41413,61613,63853,75653,102253,114013,117053,136133,146213,

%U 153133,178613,186253,198013,222613,253133,285613,315013,320053,325133

%N Primes of the form 5n^2 + 8.

%H Vincenzo Librandi, <a href="/A201486/b201486.txt">Table of n, a(n) for n = 1..5000</a>

%t Select[Table[5n^2+8,{n,0,1000}],PrimeQ]

%o (Magma) [a: n in [0..700] | IsPrime(a) where a is 5*n^2+8];

%K nonn,easy

%O 1,1

%A _Vincenzo Librandi_, Dec 03 2011

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Last modified July 25 14:34 EDT 2024. Contains 374609 sequences. (Running on oeis4.)