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 A025200 #11 Aug 18 2019 21:59:59
%S A025200 0,2,5,11,18,28,42,60,82,107,140,176,218,267,324,389,455,538,622,726,
%T A025200 830,945,1072,1211,1363,1513,1692,1868,2076,2282,2502,2759,3013,3283,
%U A025200 3572,3854,4178,4523,4860,5244,5621,6048,6467,6907,7370,7890,8400,8896,9454,10037,10647,11241,11903,12594,13268,13968
%N A025200 a(n) = floor(floor(S3)/floor(S1)), where S3 and S1 are, respectively, the 3rd and first elementary symmetric functions of {sqrt(k), k = 1,2,...,n}.
%F A025200 a(n) = floor(A025194(n) / A025224(n)). - _Sean A. Irvine_, Aug 16 2019
%Y A025200 Cf. A025194, A025224.
%K A025200 nonn
%O A025200 2,2
%A A025200 _Clark Kimberling_
%E A025200 Title improved and more terms from _Sean A. Irvine_, Aug 16 2019