id:A056134 - OEIS Search Results

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Smallest positive integer which is the geometric mean of n and an integer other than n.

+0
2

2, 4, 6, 2, 10, 12, 14, 4, 3, 20, 22, 6, 26, 28, 30, 4, 34, 6, 38, 10, 42, 44, 46, 12, 5, 52, 9, 14, 58, 60, 62, 8, 66, 68, 70, 6, 74, 76, 78, 20, 82, 84, 86, 22, 15, 92, 94, 12, 7, 10, 102, 26, 106, 18, 110, 28, 114, 116, 118, 30, 122, 124, 21, 8, 130, 132, 134, 34, 138, 140 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`a(n)=sqrt(n*A056135(n)). If n is square-free then a(n)=2n, otherwise a(n)=A019554(n)`
	CROSSREFS	`Sequence in context: A094752 A071294 A060684 this_sequence A097009 A085593 A021410` `Adjacent sequences: A056131 A056132 A056133 this_sequence A056135 A056136 A056137`
	KEYWORD	`easy,nonn`
	AUTHOR	`Henry Bottomley (se16(AT)btinternet.com), Jun 13 2000`

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Last modified November 21 14:49 EST 2008. Contains 150807 sequences.

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