id:A028501 - OEIS Search Results

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18-hyperperfect numbers: n=18(sigma(n)-n-1)+1.

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1333, 1909, 2469601, 893748277 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`J. S. McCranie, A study of hyperperfect numbers, J. Int. Seqs. Vol. 3 (2000) #P00.1.3`
	CROSSREFS	`Cf. A007593.` `Sequence in context: A035862 A003907 A043613 this_sequence A145494 A043647 A023064` `Adjacent sequences: A028498 A028499 A028500 this_sequence A028502 A028503 A028504`
	KEYWORD	`nonn`
	AUTHOR	`Jud McCranie (j.mccranie(AT)comcast.net)`

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.