id:A024392 - OEIS Search Results

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a(n) = 3rd elementary symmetric function of the first n+2 positive integers congruent to 2 mod 3.

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80, 806, 4040, 14155, 39655, 95200, 204036, 400830, 734910, 1273910, 2107820, 3353441, 5159245, 7710640, 11235640, 16010940, 22368396, 30701910, 41474720, 55227095, 72584435, 94265776, 121092700, 153998650, 194038650, 242399430 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`n(n+1)(n+2)(3n+7)(9n^2+33n+22)/48.`
	CROSSREFS	`Sequence in context: A068782 A164753 A062911 this_sequence A052519 A126861 A038727` `Adjacent sequences: A024389 A024390 A024391 this_sequence A024393 A024394 A024395`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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