id:A054017 - OEIS Search Results

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Chowla function of n modulo n is a square (excluding 0's).

+0
3

14, 20, 39, 40, 46, 55, 80, 94, 100, 104, 117, 130, 155, 158, 183, 190, 200, 203, 291, 292, 295, 299, 320, 323, 334, 416, 430, 446, 464, 475, 488, 530, 539, 549, 567, 579, 583, 638, 650, 695, 718, 799, 873, 878, 890, 943, 955, 959, 964, 979, 1030, 1118 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Chowla's function (A048050) = sum of divisors of n except 1 and n.`
	CROSSREFS	`Cf. A048050, A054013, A054018.` `Sequence in context: A108874 A063848 A110968 this_sequence A129216 A067796 A015797` `Adjacent sequences: A054014 A054015 A054016 this_sequence A054018 A054019 A054020`
	KEYWORD	`nonn`
	AUTHOR	`Asher Auel (asher.auel(AT)reed.edu) Jan 19, 2000`

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Last modified July 4 18:25 EDT 2008. Contains 140886 sequences.

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