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 A027918 #9 Sep 23 2016 06:24:39
%S A027918 7,23,57,116,212,356,562,845,1224,1717,2345,3130,4097,5272,6682,8357,
%T A027918 10327,12627,15290,18353,21855,25834,30332,35393,41062,47385,54412,
%U A027918 62191,70776
%N A027918 Least k such that 1+2+...+k >= E{1,2,...,n}, where E is the 4th elementary symmetric function.
%F A027918 a(n) = min{k: A000217(k) >= A000915(n-3)}. - _R. J. Mathar_, Sep 23 2016
%K A027918 nonn
%O A027918 4,1
%A A027918 _Clark Kimberling_