id:A116141 - 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 1.

+0
5

4, 5303944, 6677714, 2070936216988528558, 2969428172738875624, 6685545813563350444, 8013829604553736451395958429212, 9724110515510343256451213152382 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`6677714//6677712 = 8171728 * 8171729, where // denotes` `concatenation.`
	CROSSREFS	`Cf. A116134, A116142, A116154, A116272.` `Sequence in context: A144122 A058424 A065248 this_sequence A067508 A034250 A058436` `Adjacent sequences: A116138 A116139 A116140 this_sequence A116142 A116143 A116144`
	KEYWORD	`nonn,base`
	AUTHOR	`Giovanni Resta (g.resta(AT)iit.cnr.it), Feb 06 2006`

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Last modified December 20 13:50 EST 2009. Contains 171054 sequences.

AT&T Labs Research