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A116277 n times n+8 gives the concatenation of two numbers m and m-2. 5
65, 738, 892, 755003, 789545, 3643102, 6356891, 9084164, 405460897734702722, 416974886220714236, 583025113779285757, 594539102265297271, 920312382883217574, 931826371369229088, 4330823773309769374 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

EXAMPLE

9084164 * 9084172 = 8252210//8252208, where // denotes

concatenation.

CROSSREFS

Cf. A116146, A116270, A116276, A116278, A116292.

Sequence in context: A017675 A013954 A294301 * A220389 A196634 A196639

Adjacent sequences:  A116274 A116275 A116276 * A116278 A116279 A116280

KEYWORD

nonn,base

AUTHOR

Giovanni Resta, Feb 06 2006

STATUS

approved

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Last modified February 24 13:13 EST 2021. Contains 341569 sequences. (Running on oeis4.)