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A116273 n times n+2 gives the concatenation of two numbers m and m-2. 5
90, 9078, 9900, 733673, 999000, 88225294, 99990000, 8900869207, 9296908811, 9604060396, 9999900000, 326666333266, 673333666733, 700730927007, 972603739726, 999999000000, 34519562953736, 39737862788837 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

CROSSREFS

Cf. A116142, A116266, A116272, A116274, A116279.

Sequence in context: A112004 A166822 A166804 * A036257 A203779 A201073

Adjacent sequences:  A116270 A116271 A116272 * A116274 A116275 A116276

KEYWORD

nonn,base

AUTHOR

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

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Last modified February 15 16:49 EST 2012. Contains 205824 sequences.