id:A161147 - OEIS Search Results

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Numbers which can be expressed as the product of numbers made of only nines

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9, 81, 99, 729, 891, 999, 6561, 8019, 8991, 9801, 9999, 59049, 72171, 80919, 88209, 89991, 98901, 531441, 649539, 728271, 793881, 809919, 890109, 970299, 989901, 998001 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`81 = 9 * 9; 891= 9 * 99; 8991= 9 * 999`
	CROSSREFS	`Cf. A084034` `Sequence in context: A008463 A043087 A037414 this_sequence A158028 A043180 A044260` `Adjacent sequences: A161144 A161145 A161146 this_sequence A161148 A161149 A161150`
	KEYWORD	`nonn,base`
	AUTHOR	`Claudio L Meller (claudiomeller(AT)gmail.com), Jun 03 2009`
	EXTENSIONS	`More terms from Claudio L Meller (claudiomeller(AT)gmail.com), Jun 06 2009`

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Last modified December 4 08:07 EST 2009. Contains 170310 sequences.

AT&T Labs Research