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%I #6 Sep 08 2022 08:46:01
%S 13,1129,19777,44221,109507,140629,268123,455881,715567,820129,
%T 2471629,3796879,4108801,9272713,12308683,13687879,15944053,18435451,
%U 25228993,26317867,27437629,32234197,41917171,45001903,49907101,53367673,73085413
%N Primes of the form 9n^3+4.
%H Vincenzo Librandi, <a href="/A201265/b201265.txt">Table of n, a(n) for n = 1..3200</a>
%t Select[Table[9n^3+4,{n,0,7000}],PrimeQ]
%o (Magma) [a: n in [0..400] | IsPrime(a) where a is 9*n^3+4]
%K nonn,easy
%O 1,1
%A _Vincenzo Librandi_, Nov 29 2011
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