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