%I #10 Sep 08 2022 08:46:01
%S 19,89,1259,10009,27449,49139,156259,219529,327689,428759,640009,
%T 689219,795079,1250009,1406089,2269819,3007639,3579119,3890179,
%U 4052249,4389769,6360569,6814729,8305849,8573759,11248649,12950299,13310009
%N Primes of the form 10n^3+9.
%H Vincenzo Librandi, <a href="/A201306/b201306.txt">Table of n, a(n) for n = 1..5000</a>
%t Select[Table[10n^3+9,{n,0,7000}],PrimeQ]
%o (Magma) [a: n in [0..300] | IsPrime(a) where a is 10*n^3+9];
%K nonn,easy
%O 1,1
%A _Vincenzo Librandi_, Nov 30 2011
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