id:A047077 - OEIS Search Results

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Number of pairs of integers (x,y) with n^2<= x^2+y^2 <= (n+1)^2.

+0
1

5, 12, 20, 24, 36, 44, 40, 52, 60, 68, 72, 68, 92, 96, 100, 100, 108, 120, 124, 132, 128, 148, 140, 144, 172, 180, 180, 168, 180, 204, 192, 212, 204, 220, 240, 212, 244, 232, 268, 260, 248, 276, 268, 292, 288, 276, 300, 296, 316, 324, 348, 336, 324, 348, 336 (list; graph; listen)

	OFFSET	`0,1`
	LINKS	`T. D. Noe, Table of n, a(n) for n=0..1000`
	CROSSREFS	`a(n)=A000328(n+1)-A051132(n). Cf. A000328, A051132.` `Adjacent sequences: A047074 A047075 A047076 this_sequence A047078 A047079 A047080` `Sequence in context: A043413 A017041 A099192 this_sequence A086570 A063559 A121291`
	KEYWORD	`easy,nice,nonn`
	AUTHOR	`Klaus Strassburger (strass(AT)ddfi.uni-duesseldorf.de), Jan 26 2000`

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Last modified May 11 10:28 EDT 2008. Contains 139662 sequences.

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