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 A267898 #16 Sep 08 2022 08:46:15 %S A267898 4,9,125,5047,39916811,6227020813,355687428096017,121645100408832019, %T A267898 25852016738884976640023,8841761993739701954543616000029, %U A267898 8222838654177922817725562880000031,13763753091226345046315979581580902400000037 %N A267898 a(n) = prime(n)! + prime(n). %F A267898 a(n) = A039716(n) + A000040(n). %F A267898 a(n) = A005095(A000040(n)). %t A267898 Array[Prime[#]! + Prime[#]&, 20] %t A267898 #!+#&/@Prime[Range[20]] (* _Harvey P. Dale_, Aug 04 2016 *) %o A267898 (Magma) [Factorial(p)+p: p in PrimesUpTo(40)]; %o A267898 (PARI) lista(nn) = forprime(p=2, nn, print1(p! + p, ", ")); \\ _Altug Alkan_, Jan 23 2016 %Y A267898 Cf. A000040, A005095, A039716, A114574. %K A267898 nonn,easy %O A267898 1,1 %A A267898 _Vincenzo Librandi_, Jan 22 2016