id:A025222 - OEIS Search Results

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a(n) = [ Sum{(sqrt(j+1)-sqrt(i+1))^2} ], 1 <= i < j <= n.

+0
1

0, 0, 1, 3, 6, 10, 16, 25, 35, 48, 65, 84, 108, 135, 166, 203, 244, 290, 342, 400, 464, 535, 613, 698, 790, 890, 999, 1116, 1242, 1377, 1522, 1677, 1842, 2017, 2203, 2401, 2610, 2831, 3064, 3309, 3568, 3839, 4125, 4423, 4737, 5064, 5407, 5764, 6138, 6527, 6932, 7353, 7792, 8248 (list; graph; listen)

	OFFSET	`1,4`
	CROSSREFS	`Sequence in context: A066377 A122046 A078663 this_sequence A011902 A025004 A114324` `Adjacent sequences: A025219 A025220 A025221 this_sequence A025223 A025224 A025225`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`
	EXTENSIONS	`890 inserted by Neven Juric (neven.juric(AT)apis-it.hr), Jul 13 2005`

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Last modified July 4 18:25 EDT 2008. Contains 140886 sequences.

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