id:A085250 - OEIS Search Results

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a(n) = 4n(2n-1).

+0
11

4, 24, 60, 112, 180, 264, 364, 480, 612, 760, 924, 1104, 1300, 1512, 1740, 1984, 2244, 2520, 2812, 3120, 3444, 3784, 4140, 4512, 4900, 5304, 5724, 6160, 6612, 7080, 7564, 8064, 8580, 9112, 9660, 10224, 10804, 11400, 12012, 12640, 13284 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`a(n) = A067239(n)/2.` `Sum(n>0) 1/a(n) = log(2)/2`
	CROSSREFS	`Cf. A067239.` `Adjacent sequences: A085247 A085248 A085249 this_sequence A085251 A085252 A085253` `Sequence in context: A090821 A052645 A128205 this_sequence A124350 A112611 A011915`
	KEYWORD	`nonn`
	AUTHOR	`Gary W. Adamson (qntmpkt(AT)yahoo.com), Jun 23 2003`
	EXTENSIONS	`Edited by Don Reble (djr(AT)nk.ca), Nov 13 2005`

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Last modified October 13 20:18 EDT 2008. Contains 145016 sequences.

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