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a(n) = least k such that E{1,2,...,k} >= 1^3 + 2^3 + ... + n^3, where E = 2nd elementary symmetric function.
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%I #10 Sep 08 2019 13:52:27

%S 1,2,4,5,6,7,8,9,11,12,13,14,15,17,18,19,20,21,23,24,25,26,27,28,30,

%T 31,32,33,34,36,37,38,39,40,42,43,44,45,46,47,49,50,51,52,53,55,56,57,

%U 58,59,61,62,63,64,65,67,68,69,70,71,72,74,75

%N a(n) = least k such that E{1,2,...,k} >= 1^3 + 2^3 + ... + n^3, where E = 2nd elementary symmetric function.

%F min{k : A000914(k) >= A000537(n)}. - _R. J. Mathar_, Oct 31 2011

%K nonn

%O 1,2

%A _Clark Kimberling_

%E Offset corrected by _R. J. Mathar_, Oct 31 2011