id:A059460 - OEIS Search Results

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Iteration of unitary-sigma function: a(n)=usigma(a(n-1)).

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2, 3, 4, 5, 6, 12, 20, 30, 72, 90, 180, 300, 520, 756, 1120, 1584, 2040, 3888, 4148, 5580, 9600, 13416, 22176, 31680, 46800, 61880, 108864, 126880, 171864, 276480, 344232, 492480, 639600, 1039584, 1663200, 2306304, 3454080, 6390144 (list; graph; listen)

	OFFSET	`2,1`
	CROSSREFS	`A007497, A034448.` `Adjacent sequences: A059457 A059458 A059459 this_sequence A059461 A059462 A059463` `Sequence in context: A032989 A108320 A032941 this_sequence A125141 A115307 A086185`
	KEYWORD	`nonn`
	AUTHOR	`Yasutoshi Kohmoto (zbi74583(AT)boat.zero.ad.jp)`
	EXTENSIONS	`Corrected by Jud McCranie (j.mccranie(AT)comcast.net), Oct 28 2001`

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Last modified October 13 20:18 EDT 2008. Contains 145016 sequences.

AT&T Labs Research