This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A214886 #13 May 02 2025 16:27:59
%S A214886 31,383,1439,2351,3583,9679,12671,16223,93103,105983,151631,169343,
%T A214886 208799,253951,394271,427423,537919,665983,1236383,1615183,1786079,
%U A214886 2822959,3197983,3329999,3465599,5207471,5576383,6365663,7004159,7226111,8912383,9984383
%N A214886 Primes of the form n^3-2*n^2-1.
%H A214886 Vincenzo Librandi, <a href="/A214886/b214886.txt">Table of n, a(n) for n = 1..1000</a>
%t A214886 Select[Table[n^3-2*n^2-1,{n,2,700}],PrimeQ]
%o A214886 (Magma) [ a: n in [2..250] | IsPrime(a) where a is n^3-2*n^2-1 ];
%Y A214886 Cf. A214731.
%K A214886 nonn,easy
%O A214886 1,1
%A A214886 _Vincenzo Librandi_, Jul 29 2012