id:A067068 - OEIS Search Results

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n* - 2^n, where n* (A003418) = least common multiple of the numbers [1,...,n].

+0
2

-1, -2, -2, -4, 28, -4, 292, 584, 2008, 1496, 25672, 23624, 352168, 343976, 327592, 655184, 12121168, 11990096, 232268272, 231743984, 230695408, 228598256, 5345840272, 5337451664, 26737589968, 26704035536, 80179215472, 80044997744 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`It is known that this sequence is nonnegative for n >= 7. This can be established using the methods used to show A059794 is nonnegative - Carl Pomerance, Bell Labs, Feb 16, 2002`
	CROSSREFS	`Cf. A059794.` `Sequence in context: A006829 A098335 A049147 this_sequence A032334 A032082 A088895` `Adjacent sequences: A067065 A067066 A067067 this_sequence A067069 A067070 A067071`
	KEYWORD	`sign`
	AUTHOR	`njas, Feb 17 2002`

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

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