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%I #14 Sep 08 2022 08:46:00
%S 23,397,16344637
%N Primes of form 12^n-11^n.
%H Vincenzo Librandi, <a href="/A199821/b199821.txt">Table of n, a(n) for n = 1..6</a>
%t Select[12^Range[3000]-11^Range[3000],PrimeQ]
%o (Magma) [ a: n in [0..300] | IsPrime(a) where a is 12^n-11^n ]
%Y Cf. A016197
%K nonn,more,bref
%O 1,1
%A _Vincenzo Librandi_, Nov 21 2011
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