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 A357249 #15 Sep 20 2022 07:42:44 %S A357249 2,6,24,60,360,840,10080,7560,0,27720,332640,720720,0,10810800, %T A357249 17297280,36756720,1102701600,698377680,27935107200,48886437600,0, %U A357249 16062686640,385504479360,1204701498000,0,20238985166400,4497552259200,6987268688400,0,216605329340400 %N A357249 a(n) = A139315(n)*n. %F A357249 a(n) = A129902(A139315(n)). %e A357249 a(8) = A139315(8)*8 = 1260*8 = 10080. %Y A357249 Cf. A129902, A139315. %K A357249 nonn %O A357249 2,1 %A A357249 _J. Lowell_, Sep 19 2022 %E A357249 More terms from _Michel Marcus_, Sep 20 2022