id:A165914 - OEIS Search Results

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a(n) = sum of the square-free quadratic residues of n.

+0
1

0, 1, 1, 1, 1, 4, 3, 1, 8, 12, 9, 1, 14, 21, 17, 1, 31, 31, 47, 6, 23, 49, 25, 1, 72, 103, 72, 22, 77, 72, 58, 18, 72, 177, 121, 14, 176, 180, 79, 1, 202, 172, 276, 76, 95, 249, 184, 34, 298, 318, 251, 60, 362, 263, 137, 1, 242, 479, 448, 22, 456, 432, 214, 149 (list; graph; listen)

	OFFSET	`1,6`
	CROSSREFS	`Cf: A165913` `Sequence in context: A038763 A128007 A098458 this_sequence A139621 A165732 A123160` `Adjacent sequences: A165911 A165912 A165913 this_sequence A165915 A165916 A165917`
	KEYWORD	`nonn`
	AUTHOR	`Christopher Hunt Gribble (chris.eveswell(AT)virgin.net), Sep 30 2009`
	EXTENSIONS	`a(1) added and Cf corrected by Christopher Hunt Gribble (chris.eveswell(AT)virgin.net), Oct 05 2009`

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Last modified November 25 08:46 EST 2009. Contains 167481 sequences.

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