id:A085961 - OEIS Search Results

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Sigma of the least numbers for which the sigma is divisible by n (where sigma is the sum of the divisors of n, A000203(n)).

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1, 4, 3, 4, 15, 6, 7, 8, 18, 20, 44, 12, 13, 28, 15, 32, 68, 18, 38, 20, 42, 44, 138, 24, 150, 78, 54, 28, 174, 60, 31, 32, 132, 68, 140, 36, 74, 38, 39, 40, 164, 42, 258, 44, 90, 138, 282, 48, 98, 150, 102, 104, 212, 54, 110, 56, 57, 174, 354, 60, 183, 124, 63, 128, 195 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`a(n) = A000203(A070982(n)).`
	CROSSREFS	`Cf. A070982, A000203, A066678.` `Sequence in context: A094177 A060374 A074296 this_sequence A152191 A029934 A011397` `Adjacent sequences: A085958 A085959 A085960 this_sequence A085962 A085963 A085964`
	KEYWORD	`nonn`
	AUTHOR	`Yuval Dekel (dekelyuval(AT)hotmail.com), Aug 17 2003`
	EXTENSIONS	`More terms from John W. Layman (layman(AT)math.vt.edu), Aug 19 2003`

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.

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