id:A116175 - OEIS Search Results

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Numbers n such that n concatenated with n+2 gives the product of two numbers which differ by 9.

+0
5

1122070, 1538990, 3692998, 4422608, 1661985831086046580, 3508493742205242178, 5949206094811297768, 11324756194731856386028, 44020205992737767475178, 55147546334394567747178 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`4422608//4422610 = 6650265 * 6650274, where // denotes` `concatenation.`
	CROSSREFS	`Cf. A116169, A116174, A116182, A116306.` `Sequence in context: A035613 A038449 A059121 this_sequence A059767 A069583 A109209` `Adjacent sequences: A116172 A116173 A116174 this_sequence A116176 A116177 A116178`
	KEYWORD	`nonn,base`
	AUTHOR	`Giovanni Resta (g.resta(AT)iit.cnr.it), Feb 06 2006`

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research