id:A057110 - OEIS Search Results

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Difference between largest prime power factor of n and the smallest number S(n) with S(n)! a multiple of n [taking a(1)=0].

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0, 0, 0, 0, 0, 0, 0, 4, 3, 0, 0, 0, 0, 0, 0, 10, 0, 3, 0, 0, 0, 0, 0, 4, 15, 0, 18, 0, 0, 0, 0, 24, 0, 0, 0, 3, 0, 0, 0, 3, 0, 0, 0, 0, 3, 0, 0, 10, 35, 15, 0, 0, 0, 18, 0, 1, 0, 0, 0, 0, 0, 0, 2, 56, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 15, 0, 0, 0, 0, 10, 72, 0, 0, 0, 0, 0, 0, 0, 0, 4 (list; graph; listen)

	OFFSET	`1,8`
	FORMULA	`a(n) =A034699(n)-A002034(n)`
	EXAMPLE	`a(18)=3 since 18 is a factor of 6!, 9 is the largest prime power factor of 18 and 9-6=3`
	CROSSREFS	`Cf. A057108, A057111.` `Sequence in context: A118202 A089331 A125856 this_sequence A073275 A030120 A058878` `Adjacent sequences: A057107 A057108 A057109 this_sequence A057111 A057112 A057113`
	KEYWORD	`easy,nonn`
	AUTHOR	`Henry Bottomley (se16(AT)btinternet.com), Aug 08 2000`

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

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