id:A028500 - OEIS Search Results

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12-hyperperfect numbers: n=12(sigma(n)-n-1)+1.

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697, 2041, 1570153, 62722153, 10604156641, 13544168521 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`J. S. McCranie, A study of hyperperfect numbers, J. Int. Seqs. Vol. 3 (2000) #P00.1.3` `Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.`
	CROSSREFS	`Cf. A007593.` `Sequence in context: A111105 A137559 A118059 this_sequence A133251 A116338 A157366` `Adjacent sequences: A028497 A028498 A028499 this_sequence A028501 A028502 A028503`
	KEYWORD	`nonn`
	AUTHOR	`Jud McCranie (j.mccranie(AT)comcast.net)`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.