id:A071890 - OEIS Search Results

Search: id:A071890

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A071888(n)-n.

+0
4

1, 4, 3, 2, 5, 4, 7, 2, 6, 4, 11, 2, 13, 7, 6, 6, 17, 3, 19, 2, 9, 4, 23, 2, 5, 4, 3, 2, 29, 3, 31, 2, 6, 4, 7, 2, 37, 4, 3, 2, 41, 4, 43, 2, 6, 12, 47, 3, 21, 5, 6, 6, 53, 3, 10, 2, 9, 4, 59, 2, 61, 4, 3, 2, 5, 3, 67, 2, 9, 4, 71, 2, 73, 4, 3, 2, 14, 4, 79, 2, 6, 4, 83, 2, 10 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`All numbers between n=46 and 58=n+12 are not square-free or relatively prime to n, therefore a(n)=12.`
	CROSSREFS	`Cf. A071889, A071891.` `Adjacent sequences: A071887 A071888 A071889 this_sequence A071891 A071892 A071893` `Sequence in context: A084255 A076576 A110631 this_sequence A021702 A010651 A074066`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jun 10 2002`

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.

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