id:A071902 - OEIS Search Results

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A071902

Sum_{k=0..n^2} (k^2 - n^2)/n.

+0
1

-1, 5, 65, 306, 975, 2479, 5425, 10660, 19311, 32825, 53009, 82070, 122655, 177891, 251425, 347464, 470815, 626925, 821921, 1062650, 1356719, 1712535, 2139345, 2647276, 3247375, 3951649, 4773105, 5725790, 6824831, 8086475, 9528129 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`a(n) = n(2n^2-5)*(n^2+1)/6. - Vladeta Jovovic (vladeta(AT)eunet.rs), Jun 15 2002`
	CROSSREFS	`Cf. A052459.` `Sequence in context: A061698 A126955 A091105 this_sequence A052199 A093195 A061184` `Adjacent sequences: A071899 A071900 A071901 this_sequence A071903 A071904 A071905`
	KEYWORD	`sign`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), Jun 12 2002`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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