id:A154369 - OEIS Search Results

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Composites with largest prime factor mod smallest prime factor = prime.

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15, 33, 35, 45, 51, 65, 69, 75, 85, 87, 99, 115, 119, 123, 135, 141, 143, 153, 159, 161, 165, 175, 177, 185, 207 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`If composite(35)=51=173 and (17 mod 3)=2(prime), then 51=a(5). If composite(46)=65=135 and (13 mod 5)=3(prime), then 65=a(6). If composite(53)=75=553 and (5 mod 3)=2(prime), then 75=a(7).`
	CROSSREFS	`Cf. A000040. A002808.` `Sequence in context: A055809 A007256 A112147 this_sequence A089966 A050384 A142862` `Adjacent sequences: A154366 A154367 A154368 this_sequence A154370 A154371 A154372`
	KEYWORD	`nonn`
	AUTHOR	`Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), Jan 08 2009`

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Last modified December 21 10:15 EST 2009. Contains 171081 sequences.