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A080798 Largest prime factor of 3^n-2. 1
7, 5, 79, 241, 727, 23, 937, 19681, 431, 499, 4703, 8093, 40193, 2869781, 483671, 94747, 4657, 232452293, 498112057, 2812679, 31381059607, 3765727153, 1364071, 44594137339, 125231, 13170403, 5353801183, 4159349, 46050353857 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,1

LINKS

Table of n, a(n) for n=2..30.

CROSSREFS

Cf. A014224, A014232, A080443.

Sequence in context: A063003 A038271 A005692 * A007553 A002019 A012878

Adjacent sequences:  A080795 A080796 A080797 * A080799 A080800 A080801

KEYWORD

nonn

AUTHOR

Hugo Pfoertner, Mar 25 2003

STATUS

approved

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Last modified May 22 05:06 EDT 2013. Contains 225511 sequences.