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 A075182 #11 Aug 08 2024 07:01:45 %S A075182 1,1,2,2,2,2,24,24,24,24,48,48,48,48,384,1152,1152,1152,2304,2304, %T A075182 11520,11520,46080,46080,414720,414720,829440,829440,829440,829440, %U A075182 13271040,13271040,13271040,39813120,79626240,79626240,79626240,79626240,318504960,318504960 %N A075182 Greatest common divisors of rows of triangle A075181 and of (unsigned) triangle A048594. %F A075182 a(n) = gcd(A075181(n, m), m=1..n) = gcd(|A048594(n, m)|, m=1..n), n>=1. %e A075182 Row n=3 of triangle A075181 is [6,6,2], hence a(3)=2. %t A075182 a[n_] := GCD @@ Table[k! * Abs[StirlingS1[n, k]], {k, 1, n}]; Array[a, 40] (* _Amiram Eldar_, Aug 08 2024 *) %Y A075182 Cf. A048594, A075181. %K A075182 nonn,easy %O A075182 1,3 %A A075182 _Wolfdieter Lang_, Sep 19 2002 %E A075182 More terms from _Amiram Eldar_, Aug 08 2024