id:A100870 - OEIS Search Results

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Triangle read by rows: T(n,k) = minimal sum of denominators needed to write k/n (for 1 <= k <= n with gcd(k,n) = 1) as a sum of unit fractions.

+0
3

2, 3, 8, 4, 2, 6, 5, 18, 12, 17, 6, 3, 2, 8, 5, 7, 32, 39, 16, 23, 36, 8, 4, 12, 2, 10, 6, 14, 9, 24, 3, 12, 20, 8, 17, 23, 10, 5, 15, 18, 2, 12, 7, 17, 20, 11, 72, 48, 36, 47, 24, 35, 95, 72, 60, 12, 6, 4, 3, 10, 2, 7, 8, 6, 5, 12, 13, 98, 71, 82, 95, 101, 28, 41, 47, 58, 71, 96, 14, 7 (list; table; graph; listen)

	OFFSET	`1,1`
	LINKS	`Index entries for sequences related to Egyptian fractions`
	EXAMPLE	`T(5,2) = 18 because the minimal sum of unit fractions is 2/5 = 1/3 + 1/15 and 3+15=18.`
	CROSSREFS	`Cf. A100869, A100871.` `Sequence in context: A155994 A011162 A079555 this_sequence A145605 A111809 A100869` `Adjacent sequences: A100867 A100868 A100869 this_sequence A100871 A100872 A100873`
	KEYWORD	`nonn,tabl`
	AUTHOR	`Frank Adams-Watters (FrankTAW(AT)Netscape.net), Nov 20 2004`

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.

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