A027917 - OEIS

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A027917

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

3, 10, 21, 38, 63, 95, 137, 191, 256, 334, 427, 535 (list; graph; refs; listen; history; internal format)

	OFFSET	`3,1`
	CROSSREFS	`Sequence in context: A194141 A014105 A146012 * A038347 A117495 A007687` `Adjacent sequences: A027914 A027915 A027916 * A027918 A027919 A027920`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified February 17 13:28 EST 2012. Contains 206031 sequences.