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 A264723 #15 Sep 08 2022 08:46:14
%S A264723 17,109,5023,479001563,87178291157,1307674367953,20922789887947,
%T A264723 355687428095941,6402373705727939,2432902008176639929,
%U A264723 265252859812191058636308479999887,13763753091226345046315979581580902399999843,20397882081197443358640281739902897356799999833
%N A264723 Primes of the form n! - prime(n).
%C A264723 Subsequence of A261809. - _Altug Alkan_, Nov 22 2015
%t A264723 Select[Table[n! - Prime[n], {n, 50}], PrimeQ]
%o A264723 (Magma) [a: n in [1..40] | IsPrime(a) where a is Factorial(n)-NthPrime(n)];
%o A264723 (PARI) for(n=1, 1e2, if(isprime(k=(n!-prime(n))), print1(k, ", "))) \\ _Altug Alkan_, Nov 22 2015
%Y A264723 Cf. A063499, A064278, A064401, A261809.
%K A264723 nonn
%O A264723 1,1
%A A264723 _Vincenzo Librandi_, Nov 22 2015