id:A075785 - OEIS Search Results

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Number of ways to express 3/n as Egyptian fractions in just three terms.

+0
1

0, 1, 1, 3, 7, 6, 6, 16, 15, 15, 13, 22, 8, 27, 30, 26, 21, 45, 8, 59, 36, 29, 20, 62, 32, 45, 69, 67, 27, 84, 14, 59, 56, 44, 129, 142, 15, 45, 53, 130, 31, 124, 21, 131, 178, 40, 29, 118, 38, 88, 67, 102, 43, 191, 102, 180, 74, 57, 43, 274, 21, 75, 227, 86, 144, 145, 23, 121, 87 (list; graph; listen)

	OFFSET	`1,4`
	LINKS	`Christian Elsholtz, Sums Of k Unit Fractions` `David Eppstein, Algorithms for Egyptian Fractions`
	MATHEMATICA	Needs["MyOwn`Egypt`"]; Table[ Length[ EgyptianFraction[3/n, Method -> Lexicographic, MaxTerms -> 3, MinTerms -> 3, Duplicates -> Disallow, OutputFormat -> Plain]], {n, 5, 70}]
	CROSSREFS	`Cf. A073101.` `Sequence in context: A065281 A019952 A021883 this_sequence A105735 A117823 A070882` `Adjacent sequences: A075782 A075783 A075784 this_sequence A075786 A075787 A075788`
	KEYWORD	`nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), Aug 18 2002`

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Last modified July 24 12:00 EDT 2008. Contains 142294 sequences.

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