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A116318 n times n+6 gives the concatenation of two numbers m and m+4. 5
32, 63, 45211540, 54788455, 78317867, 72388446037855609175404257, 73247326752475247326752672, 75267524732673267524732472, 76126405447292905676080887, 42053270820132695893502981749303 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

EXAMPLE

78317867 * 78317873 = 61336887//61336891, where // denotes

concatenation.

CROSSREFS

Cf. A116187, A116304, A116317, A116319, A116325.

Sequence in context: A050708 A132300 A206371 * A195330 A122616 A174312

Adjacent sequences:  A116315 A116316 A116317 * A116319 A116320 A116321

KEYWORD

nonn,base

AUTHOR

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

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Last modified February 15 21:56 EST 2012. Contains 205860 sequences.