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A116114 Numbers k such that k concatenated with k-7 gives the product of two numbers which differ by 9. 5
13, 493, 607, 629, 757, 17927, 33247, 93869, 19467217, 31223879, 72757727, 13454739732766891651472740499, 40093333713615672956030023507, 48089152118689474641229584727, 66424317743191484432891678269 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

CROSSREFS

Cf. A116109, A116113, A116180, A116245.

Sequence in context: A055412 A196911 A197078 * A281181 A183479 A203586

Adjacent sequences: A116111 A116112 A116113 * A116115 A116116 A116117

KEYWORD

nonn,base

AUTHOR

Giovanni Resta, Feb 06 2006

STATUS

approved

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Last modified February 9 04:36 EST 2023. Contains 360153 sequences. (Running on oeis4.)