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A116245 n times n+9 gives the concatenation of two numbers m and m-7. 4
8, 698, 775, 789, 866, 42336, 57656, 96882, 44121665, 55878327, 85298136, 36680703009575609347721358492, 63319296990424390652278641500, 69346342454876071597336150480, 81501115172242572470460459682 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..15.

EXAMPLE

85298136 * 85298145 = 72757727//72757720, where // denotes

concatenation.

CROSSREFS

Cf. A116114, A116240, A116244, A116258.

Sequence in context: A202910 A168130 A037076 * A221198 A071308 A046188

Adjacent sequences:  A116242 A116243 A116244 * A116246 A116247 A116248

KEYWORD

nonn,base

AUTHOR

Giovanni Resta, Feb 06 2006

STATUS

approved

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Last modified August 28 03:16 EDT 2015. Contains 261112 sequences.