id:A070554 - OEIS Search Results

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Number of positive integers, k, where k <= 2n+1 and GCD(k,2n+1) = GCD(k+1,2n+1) = 1.

+0
2

1, 1, 3, 5, 3, 9, 11, 3, 15, 17, 5, 21, 15, 9, 27, 29, 9, 15, 35, 11, 39, 41, 9, 45, 35, 15, 51, 27, 17, 57, 59, 15, 33, 65, 21, 69, 71, 15, 45, 77, 27, 81, 45, 27, 87, 55, 29, 51, 95, 27, 99, 101, 15, 105, 107, 35, 111, 63, 33, 75, 99, 39, 75, 125, 41, 129, 85, 27, 135, 137 (list; graph; listen)

	OFFSET	`0,3`
	CROSSREFS	`Bisection of A058026.` `Sequence in context: A094444 A099446 A002633 this_sequence A076842 A077862 A134061` `Adjacent sequences: A070551 A070552 A070553 this_sequence A070555 A070556 A070557`
	KEYWORD	`nonn`
	AUTHOR	`Leroy Quet (qq-quet(AT)mindspring.com), Nov 15 2000`
	EXTENSIONS	`More terms from Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Feb 02 2003`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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