id:A100451 - OEIS Search Results

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a(n) = 0 for n <= 2; for n >= 3, a(n) = (n-2)*floor((n^2-2)/(n-2)).

+0
3

0, 0, 7, 14, 21, 32, 45, 60, 77, 96, 117, 140, 165, 192, 221, 252, 285, 320, 357, 396, 437, 480, 525, 572, 621, 672, 725, 780, 837, 896, 957, 1020, 1085, 1152, 1221, 1292, 1365, 1440, 1517, 1596, 1677, 1760, 1845, 1932, 2021, 2112, 2205, 2300, 2397, 2496, 2597, 2700 (list; graph; listen)

	OFFSET	`1,3`
	FORMULA	`a(n) = (n-2)*(n+2), n>=5. [R. J. Mathar, (mathar(AT)strw.leidenuniv.nl), Aug 17 2009]`
	CROSSREFS	`Third row of array in A100452.` `Sequence in context: A044832 A033004 A164005 this_sequence A028555 A061823 A018890` `Adjacent sequences: A100448 A100449 A100450 this_sequence A100452 A100453 A100454`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Nov 22 2004`
	EXTENSIONS	`Factor in definition corrected by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Aug 17 2009`

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

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