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A116306 n times n+9 gives the concatenation of two numbers m and m+2. 4
3349727, 3922992, 6077000, 6650265, 4076746044440402197, 5923253955559597795, 7713109680804038561, 33652275100997044455421, 66347724899002955544571, 74261393963751156983420 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

EXAMPLE

6650265 * 6650274 = 4422608//4422610, where // denotes

concatenation.

CROSSREFS

Cf. A116175, A116300, A116305, A116313.

Sequence in context: A186594 A206511 A083635 * A015408 A036472 A206168

Adjacent sequences:  A116303 A116304 A116305 * A116307 A116308 A116309

KEYWORD

nonn,base

AUTHOR

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

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Last modified February 15 13:09 EST 2012. Contains 205789 sequences.