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A116195 Numbers n such that n concatenated with n+5 gives the product of two numbers which differ by 7. 5
7403, 8885, 12563, 41675, 54239, 2353623, 2650793, 7717533, 527390351115, 567933643889, 627121279653, 671264212463, 1335723019653517755, 2049430589972661489, 2995303155542192885, 4026214090447622723 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

EXAMPLE

7717533//7717538 = 8784946 * 8784953, where // denotes concatenation.

CROSSREFS

Cf. A116133, A116194, A116196, A116147, A116326.

Sequence in context: A031674 A031584 A023940 * A051259 A178281 A093225

Adjacent sequences:  A116192 A116193 A116194 * A116196 A116197 A116198

KEYWORD

nonn,base

AUTHOR

Giovanni Resta (g.resta(AT)iit.cnr.it), Feb 06 2006

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Last modified February 15 02:50 EST 2012. Contains 205694 sequences.