id:A066643 - OEIS Search Results

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Floor[area of a circle with radius n].

+0
5

3, 12, 28, 50, 78, 113, 153, 201, 254, 314, 380, 452, 530, 615, 706, 804, 907, 1017, 1134, 1256, 1385, 1520, 1661, 1809, 1963, 2123, 2290, 2463, 2642, 2827, 3019, 3216, 3421, 3631, 3848, 4071, 4300, 4536, 4778, 5026, 5281, 5541, 5808, 6082, 6361, 6647 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`Floor[pi*n^2].`
	MATHEMATICA	`Table[ Floor[Pi*n^2], {n, 1, 50} ]`
	CROSSREFS	`Adjacent sequences: A066640 A066641 A066642 this_sequence A066644 A066645 A066646` `Sequence in context: A083538 A060781 A083539 this_sequence A140065 A115549 A005995`
	KEYWORD	`easy,nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Dec 29 2001`
	EXTENSIONS	`Corrected and extended by Robert G. Wilson v (rgwv(AT)rgwv.com), Jan 03 2002`

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.

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