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A116258 Numbers n such that n times n+9 gives the concatenation of two numbers m and m-5. 4
8444, 8809, 69125298546226023970, 69855225553525294043, 74604750601020544518, 75334677608319814591, 92496418993920707745, 93226346001219977818, 97975871048715228293, 98705798056014498366 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..10.

EXAMPLE

8809 * 8818 = 7767//7762, where // denotes concatenation.

CROSSREFS

Cf. A116180, A116245, A116257, A116264.

Sequence in context: A208182 A093221 A023321 * A116311 A116351 A253147

Adjacent sequences:  A116255 A116256 A116257 * A116259 A116260 A116261

KEYWORD

nonn,base

AUTHOR

Giovanni Resta, Feb 06 2006

STATUS

approved

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Last modified June 25 12:02 EDT 2017. Contains 288710 sequences.