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 A280714 #14 Aug 16 2025 09:35:03
%S A280714 1,1,2,6,144,2880,2073600,1306368000,17557585920000,
%T A280714 637129677864960000,2312016175036366848000000,
%U A280714 640890883720080890265600000000,306987758727332698566646824960000000000,136544225638605874463902854662848512000000000000
%N A280714 Partial products of A055067.
%C A280714 A055067(n) = the product of non-divisors of n.
%F A280714 a(n) = Product_{i=1..n} A055067(i).
%F A280714 a(n) = A000178(n)/A092143(n). - _Amiram Eldar_, Aug 16 2025
%t A280714 FoldList[#1 #2 &, Table[Times @@ Complement[Range@ n, Divisors@ n], {n, 14}]] (* _Michael De Vlieger_, Jan 09 2017 *)
%o A280714 (Magma) [&*[Factorial(k) / &*[d: d in Divisors(k)]: k in [1..n]]: n in [1..100]];
%Y A280714 Cf. A000178, A055067, A092143, A280713.
%K A280714 nonn
%O A280714 1,3
%A A280714 _Jaroslav Krizek_, Jan 07 2017