id:A119677 - OEIS Search Results

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A119677

a(n) is the number of complete squares that fit inside the circle with radius n, drawn on squared paper.

+0
2

0, 0, 4, 16, 32, 60, 88, 120, 164, 216, 276, 332, 392, 476, 556, 648, 732, 832, 936, 1052, 1176, 1288, 1428, 1560, 1696, 1860, 2016, 2180, 2340, 2512, 2700, 2876, 3080, 3276, 3488, 3712, 3908, 4144, 4360, 4620, 4864, 5096, 5356, 5616, 5900 (list; graph; listen)

	OFFSET	`0,3`
	COMMENT	`a(n) = 4 * A001182(n).` `As n -> infinity, lim a(n)/(n^2) -> pi.`
	CROSSREFS	`Cf. A001182.` `Adjacent sequences: A119674 A119675 A119676 this_sequence A119678 A119679 A119680` `Sequence in context: A036345 A046001 A031050 this_sequence A126032 A034713 A101653`
	KEYWORD	`nonn`
	AUTHOR	`Tomas Kyselica (Tomas.Kyselica(AT)gmail.com), Jul 29 2006`
	EXTENSIONS	`More terms from Don Reble (djr(AT)nk.ca), Aug 01 2006`

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Last modified October 13 17:46 EDT 2008. Contains 145008 sequences.

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