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A116296 Numbers k such that k*(k+3) gives the concatenation of two numbers m and m+1. 5
82, 77394228, 89158934, 36623663376237623663376336, 37633762366336633762366236, 62366237633663366237633762, 63376336623762376336623662, 86194223018927804587702129 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..8.

EXAMPLE

89158934 * 89158937 = 79493157//79493158, where // denotes concatenation.

CROSSREFS

Cf. A116099, A116287, A116295, A116297, A116302.

Sequence in context: A015077 A015040 A235982 * A324674 A113890 A051327

Adjacent sequences:  A116293 A116294 A116295 * A116297 A116298 A116299

KEYWORD

nonn,base

AUTHOR

Giovanni Resta, Feb 06 2006

STATUS

approved

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Last modified July 6 12:26 EDT 2022. Contains 355110 sequences. (Running on oeis4.)