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A027917 a(n) = least k such that 1+2+...+k >= E{1,2,...,n}, where E is the 3rd elementary symmetric function. 0
3, 10, 21, 38, 63, 95, 137, 191, 256, 334, 427, 535, 661, 805, 968, 1151, 1357, 1585, 1838, 2117, 2422, 2755, 3117, 3510, 3934, 4392, 4883, 5409, 5973, 6574, 7213, 7894, 8615, 9379, 10187, 11041, 11940, 12887, 13883, 14929, 16026, 17176, 18379, 19637, 20952, 22323, 23754, 25244, 26795, 28408 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,1

LINKS

Table of n, a(n) for n=3..52.

FORMULA

a(n) = min{k: A000217(k) >= A001303(n-2)}. - R. J. Mathar, Sep 23 2016

CROSSREFS

Sequence in context: A281153 A014105 A146012 * A038347 A294365 A210980

Adjacent sequences:  A027914 A027915 A027916 * A027918 A027919 A027920

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified December 16 04:22 EST 2019. Contains 330013 sequences. (Running on oeis4.)