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A116334 n times n+9 gives the concatenation of two numbers m and m+6. 4
45, 47, 3180, 3454, 6538, 6812, 32423077888994073533, 47028976905526474404, 49049512306209075907, 50950487693790924085, 52971023094473525588, 67576922111005926459, 71498432899270376140, 75216895567882908524 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..14.

EXAMPLE

6812 * 6821 = 4646//4652, where // denotes concatenation.

CROSSREFS

Cf. A116203, A116328, A116333, A116342.

Sequence in context: A042011 A031064 A183983 * A291788 A291787 A257410

Adjacent sequences:  A116331 A116332 A116333 * A116335 A116336 A116337

KEYWORD

nonn,base

AUTHOR

Giovanni Resta, Feb 06 2006

STATUS

approved

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Last modified April 22 14:33 EDT 2021. Contains 343177 sequences. (Running on oeis4.)