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 A075896 #29 Feb 18 2025 21:52:52
%S A075896 7,79,431,130783,523927,2251799813682647,9007199254738183,
%T A075896 2417851639229258349405791,9671406556917033397642519,
%U A075896 664613997892457936451903530140158127,784637716923335095479473677900958302012794430558004278391
%N A075896 Primes of the form 2^k - k^2.
%H A075896 Vincenzo Librandi, <a href="/A075896/b075896.txt">Table of n, a(n) for n = 1..20</a>
%F A075896 a(n) = A024012(A072180(n)). - _Elmo R. Oliveira_, Feb 18 2025
%t A075896 Select[Table[2^n - n^2, {n, 500}], PrimeQ] (* _Vincenzo Librandi_, Dec 07 2011 *)
%o A075896 (PARI) for(n=2,10^7,if(isprime(2^n-n^2),print1(2^n-n^2",")))
%o A075896 (Magma) [a: n in [1..200] | IsPrime(a) where a is 2^n-n^2]; // _Vincenzo Librandi_, Dec 07 2011
%Y A075896 Primes in A024012.
%Y A075896 Cf. A061119, A072180.
%K A075896 nonn,easy
%O A075896 1,1
%A A075896 _Zak Seidov_, Oct 17 2002
%E A075896 More terms from _Ralf Stephan_, Mar 30 2003