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A116197 Numbers k such that k concatenated with k+5 gives the product of two numbers which differ by 9. 4
25, 2448207281, 2552334847, 9492271895, 10713024775597019390267617, 45251510049471045364918031, 99414584492459886818648287, 1000584180267191789271991959007645 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

CROSSREFS

Cf. A116190, A116196, A116203, A116328.

Sequence in context: A279039 A237522 A347810 * A023924 A022066 A291551

Adjacent sequences:  A116194 A116195 A116196 * A116198 A116199 A116200

KEYWORD

nonn,base

AUTHOR

Giovanni Resta, Feb 06 2006

STATUS

approved

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Last modified November 28 16:25 EST 2021. Contains 349413 sequences. (Running on oeis4.)