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 A025562 #14 Jan 28 2024 04:50:13 %S A025562 1,1,2,3,8,10,24,84,192,432,2880,15840,34560,224640,483840,3628800, %T A025562 116121600,493516800,1045094400,9928396800,20901888000,219469824000, %U A025562 9656672256000,111051730944000,231760134144000,2897001676800000,30128817438720000,406739035422720000 %N A025562 a(n) = n!/LCM{1, C(n-1,1), C(n-2,2), ..., C(n-[ n/2 ],[ n/2 ])}. %H A025562 Robert Israel, <a href="/A025562/b025562.txt">Table of n, a(n) for n = 0..533</a> %p A025562 f:=n->n!/ilcm(seq(binomial(n-i,i),i=0..floor(n/2))): %p A025562 seq(f(n), n=0..35); %Y A025562 Cf. A025560. %K A025562 nonn %O A025562 0,3 %A A025562 _Clark Kimberling_ %E A025562 Entry revised by _N. J. A. Sloane_, May 26 2005 %E A025562 a(0)=1 prepended by _Alois P. Heinz_, Nov 27 2023