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A152177 Smallest prime factor of G+n, where G is any sufficiently large power tower of 3, e.g., Graham's number. 1
3, 2, 11, 2, 61094071, 2, 3, 2, 5, 2, 17, 2, 3, 2, 41, 2, 147331, 2, 3, 2, 19, 2, 7, 2, 3, 2, 101117, 2, 5, 2, 3, 2, 293, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..33.

EXAMPLE

a(2) = 11 because 3^3^3^... + 2 = 0 (mod 11).

CROSSREFS

Cf. A152178.

Sequence in context: A153187 A248242 A215598 * A110326 A112061 A238398

Adjacent sequences:  A152174 A152175 A152176 * A152178 A152179 A152180

KEYWORD

nonn

AUTHOR

Karl W. Heuer, Nov 28 2008

STATUS

approved

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Last modified December 3 21:14 EST 2016. Contains 278745 sequences.