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A116270 n times n+8 gives the concatenation of two numbers m and m-3. 5
62, 45211539, 54788454, 78317866, 72388446037855609175404256, 73247326752475247326752671, 75267524732673267524732471, 76126405447292905676080886, 42053270820132695893502981749302 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..9.

EXAMPLE

78317866 * 78317874 = 61336887//61336884, where // denotes

concatenation.

CROSSREFS

Cf. A116139, A116257, A116269, A116271, A116277.

Sequence in context: A093262 A159374 A115460 * A324018 A102241 A255915

Adjacent sequences:  A116267 A116268 A116269 * A116271 A116272 A116273

KEYWORD

nonn,base

AUTHOR

Giovanni Resta, Feb 06 2006

STATUS

approved

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Last modified September 25 00:02 EDT 2020. Contains 337333 sequences. (Running on oeis4.)