id:A002954 - OEIS Search Results

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Smallest number such that n-th iterate of Chowla function is 0.
(Formerly M1099)

+0
2

2, 4, 8, 15, 12, 27, 24, 36, 90, 96, 245, 288, 368, 676, 1088, 2300, 1596, 1458, 3344, 3888, 5360, 8895, 11852, 25971, 23360, 38895, 35540, 35595, 36032, 53823 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Chowla's function (A048050) = sum of divisors of n except 1 and n.`
	REFERENCES	`M. Lal and A. Forbes, A note on Chowla's function, Math. Comp., 25 (1971), 923-925.`
	CROSSREFS	`Sequence in context: A118897 A098056 A097100 this_sequence A019278 A084345 A084561` `Adjacent sequences: A002951 A002952 A002953 this_sequence A002955 A002956 A002957`
	KEYWORD	`nonn`
	AUTHOR	`njas`

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.

AT&T Labs Research