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A185671 Final prime of first member of A019518 that is divisible by 23^n. 14
3, 5861, 58573, 3916021, 284728111, 1910245261 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..6.

EXAMPLE

While the very first concatenation is divisible by 23, 23^2 does not divide any such number until 5861 is adjoined.

CROSSREFS

Cf. A183194, A185656, and those following.

Sequence in context: A249511 A248506 A034317 * A187879 A325052 A283019

Adjacent sequences:  A185668 A185669 A185670 * A185672 A185673 A185674

KEYWORD

nonn,base,more

AUTHOR

James G. Merickel, Feb 01 2011

STATUS

approved

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Last modified October 23 02:03 EDT 2019. Contains 328335 sequences. (Running on oeis4.)