id:A116101 - OEIS Search Results

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Numbers n such that n concatenated with n-8 gives the product of two numbers which differ by 1.

+0
5

40, 54999166056446260156057520, 57975463942945155043148110, 71745828111009107426351428, 75139610610667830220414750, 1640418113875534941913761115401064 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`40//32 = 63 * 64, where // denotes concatenation.`
	CROSSREFS	`Cf. A116094, A116102, A116115, A116232.` `Adjacent sequences: A116098 A116099 A116100 this_sequence A116102 A116103 A116104` `Sequence in context: A123381 A115482 A111401 this_sequence A053342 A051317 A036189`
	KEYWORD	`nonn,base`
	AUTHOR	`Giovanni Resta (g.resta(AT)iit.cnr.it), Feb 06 2006`

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Last modified October 13 09:05 EDT 2008. Contains 145008 sequences.

AT&T Labs Research