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A185659 Final prime of first member of A019518 that is divisible by 11^n. 15
17, 499, 13679, 221489, 712289, 7648813, 604578017, 7868766709 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

EXAMPLE

2357111317 is divisible by 11, and concatenation through 499 is required for divisibility by 11^2.

CROSSREFS

Cf. A183194, A185656, and following entries.

Sequence in context: A142368 A109305 A130660 * A012792 A012232 A114063

Adjacent sequences:  A185656 A185657 A185658 * A185660 A185661 A185662

KEYWORD

nonn,base,more

AUTHOR

James G. Merickel, Feb 01 2011

STATUS

approved

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Last modified September 21 23:55 EDT 2019. Contains 327286 sequences. (Running on oeis4.)