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A116299 n times n+8 gives the concatenation of two numbers m and m+1. 5
40, 53, 40354307, 59645686, 39704957106129738595969799927610, 44505281604832422780051712184759, 45053875613995255103944518907119, 54946124386004744896055481092874, 55494718395167577219948287815234 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

EXAMPLE

59645686 * 59645694 = 35576083//35576084, where // denotes

concatenation.

CROSSREFS

Cf. A116168, A116292, A116298, A116300, A116305.

Sequence in context: A039523 A217729 A255392 * A110227 A108607 A109730

Adjacent sequences:  A116296 A116297 A116298 * A116300 A116301 A116302

KEYWORD

nonn,base

AUTHOR

Giovanni Resta, Feb 06 2006

STATUS

approved

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Last modified May 22 11:06 EDT 2022. Contains 353949 sequences. (Running on oeis4.)