id:A034460 - OEIS Search Results

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usigma(n) - n, where usigma(n) = sum of unitary divisors of n (A034448).

+0
8

0, 1, 1, 1, 1, 6, 1, 1, 1, 8, 1, 8, 1, 10, 9, 1, 1, 12, 1, 10, 11, 14, 1, 12, 1, 16, 1, 12, 1, 42, 1, 1, 15, 20, 13, 14, 1, 22, 17, 14, 1, 54, 1, 16, 15, 26, 1, 20, 1, 28, 21, 18, 1, 30, 17, 16, 23, 32, 1, 60, 1, 34, 17, 1, 19, 78, 1, 22, 27, 74, 1, 18, 1, 40, 29, 24, 19, 90, 1, 22, 1, 44 (list; graph; listen)

	OFFSET	`1,6`
	LINKS	`T. D. Noe, Table of n, a(n) for n=1..1000`
	EXAMPLE	`Unitary divisors of 12 are 1, 3, 4, 12.`
	CROSSREFS	`Cf. A034444, A034448.` `Sequence in context: A007732 A126795 A064793 this_sequence A063919 A072815 A080304` `Adjacent sequences: A034457 A034458 A034459 this_sequence A034461 A034462 A034463`
	KEYWORD	`nonn,easy,nice`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`
	EXTENSIONS	`More terms from Erich Friedman (erich.friedman(AT)stetson.edu).`

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Last modified November 24 14:25 EST 2009. Contains 167438 sequences.

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