id:A166085 - OEIS Search Results

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Number of times Sum_{i=1..u} J(i,4n+1) obtains value zero when u ranges from 1 to (4n+1). Here J(i,k) is the Jacobi symbol.

+0
3

0, 2, 0, 4, 4, 6, 0, 8, 4, 8, 8, 20, 0, 14, 6, 10, 8, 14, 8, 20, 0, 10, 14, 20, 8, 24, 12, 12, 14, 38, 0, 74, 10, 18, 12, 22, 10, 22, 38, 22, 14, 18, 0, 30, 8, 20, 24, 62, 8, 36, 14, 14, 20, 36, 12, 26, 0, 18, 18, 28, 14, 118, 16, 22, 26, 68, 12, 42, 10, 24, 18, 34, 0, 36, 44 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`All terms are even.`
	LINKS	`A. Karttunen, Table of n, a(n) for n = 0..65536`
	CROSSREFS	`a(n) = A166040(A005843(n)). Bisection of A166040.` `Sequence in context: A078050 A134271 A094403 this_sequence A129760 A057377 A145811` `Adjacent sequences: A166082 A166083 A166084 this_sequence A166086 A166087 A166088`
	KEYWORD	`nonn`
	AUTHOR	`Antti Karttunen (His-Firstname.His-Surname(AT)gmail.com), Oct 08 2009`

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Last modified December 13 23:45 EST 2009. Contains 170824 sequences.

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