%I #7 Sep 08 2022 08:46:00
%S 31,311,2551,13711,53231,109751,425911,486671,975551,3180271,3407351,
%T 3893431,5955071,10485751,10984991,13719991,18261311,25442231,
%U 34294991,47640631,67406351,81935311,96244151,129671671,146090551,196519991
%N Primes of the form 5n^3-9.
%H Vincenzo Librandi, <a href="/A200913/b200913.txt">Table of n, a(n) for n = 1..1000</a>
%t Select[Table[5n^3-9,{n,2,3500}],PrimeQ]
%o (Magma) [a: n in [2..400] | IsPrime(a) where a is 5*n^3-9]
%K nonn,easy
%O 1,1
%A _Vincenzo Librandi_, Nov 24 2011
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