A008891 - OEIS

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A008891

Aliquot sequence starting at 180.

180, 366, 378, 582, 594, 846, 1026, 1374, 1386, 2358, 2790, 4698, 6192, 11540, 12736, 12664, 11096, 11104, 10820, 11944, 10466, 5236, 6860, 9940, 14252, 14308, 15218, 10894, 6746, 3376, 3196, 2852 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,1`
	REFERENCES	`R. K. Guy, Unsolved Problems in Number Theory, B6.`
	LINKS	`T. D. Noe, Table of n, a(n) for n=0..53` `Christophe CLAVIER, Aliquot Sequences`
	MAPLE	`f := proc(n) option remember; if n = 0 then 180; else sigma(f(n-1))-f(n-1); fi; end:`
	CROSSREFS	`Sequence in context: A135193 A095650 A066164 * A015233 A004532 A143793` `Adjacent sequences: A008888 A008889 A008890 * A008892 A008893 A008894`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 16 10:32 EST 2012. Contains 205904 sequences.