id:A073272 - OEIS Search Results

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A000040(n+1) - A073271(n).

+0
3

0, 1, 0, 3, -1, 3, -1, 0, 5, -3, 3, 3, -1, -1, 1, 5, -3, 3, 3, -3, 3, -1, -1, 5, 3, -1, 3, -1, -9, 11, -1, 5, -7, 9, -3, 1, 3, -1, 1, 5, -7, 9, -1, 3, -9, 1, 9, 3, -1, -1, 5, -7, 5, 1, 1, 5, -3, 3, 3, -7, -3, 11, 3, -1, -9, 9, -3, 9, -1, -1, -1, 3, 1, 3, -1, -1, 5, -3, -1, 9, -7, 9, -3, 3, -1 (list; graph; listen)

	OFFSET	`1,4`
	COMMENT	`Observation/conjecture: a(n)=0 iff A073271(n) in {3, 7, 23}.`
	EXAMPLE	`A000040(11)A000040(13)/A000040(12) = 3141/37 = 1271/37 = 34*37+13, therefore A073271(11)=34; a(10) = A000040(12)-A073271(10) = 37-34 = +3.`
	CROSSREFS	`Cf. A073274.` `Sequence in context: A079530 A020815 A132301 this_sequence A121273 A063065 A051718` `Adjacent sequences: A073269 A073270 A073271 this_sequence A073273 A073274 A073275`
	KEYWORD	`sign`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), Jul 22 2002`

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.

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