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 A075184 #10 Aug 08 2024 07:28:40 %S A075184 3,50,675,8820,117600,1632960,23814000,365904000,5927644800, %T A075184 101189088000,1818030614400,34326452160000,679990671360000, %U A075184 14108934647808000,306113492805120000,6933770723303424000 %N A075184 One half of fourth column of triangle A075181. %C A075184 Also one half of fourth diagonal of unsigned triangle A048594. %F A075184 a(n) = A075181(n+4, 3)/2 = |A048594(n+4, n+1)|/2, n>=0. %F A075184 a(n) = -(n+1)!*S1(n+4, n+1)/2 with S1(n, m) := A008275(n, m) (Stirling1). %Y A075184 Cf. A008275, A048594, A075181. %K A075184 nonn,easy %O A075184 0,1 %A A075184 _Wolfdieter Lang_, Sep 19 2002