id:A116314 - OEIS Search Results

Search: id:A116314

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Numbers n such that n times n+1 gives the concatenation of two numbers m and m+4.

+0
5

28, 72, 79822845, 69852478553064869297984899963807, 77473062193002372448027740546439, 77747359197583788609974143907619, 84341826458653210947638195982115, 85367942837521291760016984490251 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`79822845 * 79822846 = 63716866//63716870, where // denotes concatenation.`
	CROSSREFS	`Cf. A116171, A116307, A116315, A116322.` `Sequence in context: A044511 A039460 A110829 this_sequence A044166 A044547 A119178` `Adjacent sequences: A116311 A116312 A116313 this_sequence A116315 A116316 A116317`
	KEYWORD	`nonn,base`
	AUTHOR	`Giovanni Resta (g.resta(AT)iit.cnr.it), Feb 06 2006`

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Last modified December 19 12:50 EST 2009. Contains 171053 sequences.

AT&T Labs Research