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Primes of the form n^3-2*n^2-1.
1

%I #10 Sep 08 2022 08:46:02

%S 31,383,1439,2351,3583,9679,12671,16223,93103,105983,151631,169343,

%T 208799,253951,394271,427423,537919,665983,1236383,1615183,1786079,

%U 2822959,3197983,3329999,3465599,5207471,5576383,6365663,7004159,7226111,8912383,9984383

%N Primes of the form n^3-2*n^2-1.

%H Vincenzo Librandi, <a href="/A214886/b214886.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[Table[n^3-2*n^2-1,{n,2,700}],PrimeQ]

%o (Magma) [ a: n in [2..250] | IsPrime(a) where a is n^3-2*n^2-1 ]

%Y Cf. A214731.

%K nonn,easy

%O 1,1

%A _Vincenzo Librandi_, Jul 29 2012