id:A057828 - OEIS Search Results

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Number of perfect squares, k^2, where k^2 <= n and GCD(k,n) = 1.

+0
1

1, 1, 1, 1, 2, 1, 2, 1, 2, 2, 3, 1, 3, 2, 2, 2, 4, 1, 4, 2, 3, 2, 4, 1, 4, 3, 4, 3, 5, 1, 5, 3, 4, 3, 4, 2, 6, 3, 4, 2, 6, 2, 6, 3, 3, 3, 6, 2, 6, 3, 5, 4, 7, 3, 6, 3, 5, 4, 7, 2, 7, 4, 4, 4, 7, 3, 8, 4, 6, 2, 8, 3, 8, 4, 5, 4, 7, 3, 8, 3, 6, 5, 9, 2, 8, 5, 6, 5, 9, 2, 8, 5, 6, 5, 8, 3, 9, 4, 6, 4, 10, 3, 10, 5 (list; graph; listen)

	OFFSET	`1,5`
	EXAMPLE	`Only 2 squares, 1 and 9, are <= 14 and relatively prime to 14. So a(14) = 2.`
	CROSSREFS	`Adjacent sequences: A057825 A057826 A057827 this_sequence A057829 A057830 A057831` `Sequence in context: A097848 A124830 A026904 this_sequence A082498 A112223 A132881`
	KEYWORD	`nonn`
	AUTHOR	`Leroy Quet (qq-quet(AT)mindspring.com), Nov 08 2000`

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Last modified October 10 20:39 EDT 2008. Contains 144831 sequences.

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