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 A025209 #12 Aug 18 2019 21:58:40
%S A025209 0,1,2,2,3,4,5,6,8,9,10,11,13,14,15,17,18,20,21,23,24,26,27,29,31,33,
%T A025209 34,36,37,39,41,43,44,46,48,50,52,53,55,57,59,61,63,65,67,69,70,72,74,
%U A025209 76,78,80,82,84,86,88,90,92,95
%N A025209 a(n) = floor(floor(S2)/floor(S1)), where S2 and S1 are, respectively, the 2nd and first elementary symmetric functions of {log(k)}, k = 2,3,...,n.
%F A025209 a(n) = floor(A025202(n) / A025201(n)). - _Sean A. Irvine_, Aug 17 2019
%K A025209 nonn
%O A025209 3,3
%A A025209 _Clark Kimberling_
%E A025209 Title corrected by _Sean A. Irvine_, Aug 17 2019