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 A045948 #28 Dec 26 2020 11:13:07
%S A045948 1,1,1,2,2,2,2,4,12,12,12,12,12,12,12,24,24,24,24,24,24,24,24,24,120,
%T A045948 120,360,360,360,360,360,720,720,720,720,720,720,720,720,720,720,720,
%U A045948 720,720,720,720,720,720,5040,5040,5040,5040,5040,5040,5040,5040,5040
%N A045948 a(n) = A003418(n)/A034386(n).
%H A045948 Michael De Vlieger, <a href="/A045948/b045948.txt">Table of n, a(n) for n = 1..10000</a>
%H A045948 <a href="/index/Lc#lcm">Index entries for sequences related to lcm's</a>
%e A045948 n=11: lcm(1..11) = 27720 = 8*9*5*7*11 = 2310*12. A034386(11)=2310, so the quotient is 12. Thus a(11) = 12.
%t A045948 Table[Exp[Sum[MangoldtLambda[n], {n, 1, m}]]/ Product[x, {x, Prime[Range[PrimePi[m]]]}], {m, 1, 57}] (* _Fred Daniel Kline_, Apr 02 2015 *)
%o A045948 (PARI) a(n)=lcm([1..n])/prod(i=1,primepi(n),prime(i)) \\ _Charles R Greathouse IV_, Apr 02 2015; corrected by _Michel Marcus_, Dec 26 2020
%Y A045948 Cf. A003418, A034386, A002110, A000142, A049536, A048148.
%K A045948 nonn
%O A045948 1,4
%A A045948 _Labos Elemer_