id:A129512 - OEIS Search Results

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Numbers with at least two pairs of distinct divisors having equal differences.

+0
3

6, 12, 15, 18, 20, 24, 28, 30, 36, 40, 42, 45, 48, 54, 56, 60, 63, 66, 70, 72, 75, 78, 80, 84, 88, 90, 91, 96, 99, 100, 102, 105, 108, 110, 112, 114, 120, 126, 130, 132, 135, 138, 140, 144, 150, 153, 156, 160, 162, 165, 168, 174, 176, 180, 182, 186, 189, 190, 192, 195 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`A129510(a(n)) < A066446(a(n)); complement of A129511;` `A008588, A008597 and A129521 are subsequences.`
	EXAMPLE	`See example for a(12)=45 in A129510.`
	CROSSREFS	`Sequence in context: A107487 A092671 A005279 this_sequence A116359 A141698 A091011` `Adjacent sequences: A129509 A129510 A129511 this_sequence A129513 A129514 A129515`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Apr 19 2007`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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