id:A061195 - OEIS Search Results

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Minimum positive numerator of s_1/1 + ... + s_n/n in lowest terms, where each s_i equals 1 or -1.

+0
2

1, 1, 1, 1, 7, 1, 11, 9, 11, 11, 23, 23, 607, 251, 59, 25, 97, 97, 2647, 2647, 1337 (list; graph; listen)

	OFFSET	`1,5`
	EXAMPLE	`1/1 - 1/2 - 1/3 + 1/4 - 1/5 - 1/6 = 1/20, so a(6)=1.`
	CROSSREFS	`Cf. A061194.` `Sequence in context: A048835 A124970 A124886 this_sequence A074283 A165949 A013600` `Adjacent sequences: A061192 A061193 A061194 this_sequence A061196 A061197 A061198`
	KEYWORD	`nonn`
	AUTHOR	`Greg Martin (gerg(AT)math.toronto.edu), Apr 19 2001`
	EXTENSIONS	`More terms from Naohiro Nomoto (6284968128(AT)geocities.co.jp), Jun 24 2001`

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Last modified November 24 14:25 EST 2009. Contains 167438 sequences.