id:A089912 - OEIS Search Results

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a(n) gives sum of number of common unitary divisors of n and m, where m runs from 1 to n.

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1, 3, 4, 5, 6, 11, 8, 9, 10, 16, 12, 18, 14, 21, 23, 17, 18, 26, 20, 28, 30, 31, 24, 33, 26, 36, 28, 37, 30, 57, 32, 33, 45, 46, 47, 45, 38, 51, 52, 51, 42, 77, 44, 55, 58, 61, 48, 62, 50, 66, 67, 64, 54, 71, 70, 68, 74, 76, 60, 100, 62, 81, 77, 65, 82, 113, 68, 82, 89, 118, 72 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Cf. A034444, A034448.` `Sequence in context: A103033 A099561 A110300 this_sequence A047425 A048989 A103402` `Adjacent sequences: A089909 A089910 A089911 this_sequence A089913 A089914 A089915`
	KEYWORD	`easy,nonn`
	AUTHOR	`Naohiro Nomoto (pcmusume(AT)m11.alpha-net.ne.jp), Jan 11 2004`

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

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