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A117698 Palindromic primes in base 3 (written in base 3). 5
2, 111, 212, 12121, 20102, 22122, 1001001, 1021201, 1111111, 1201021, 1221221, 2001002, 2021202, 2101012, 2111112, 2121212, 2201022, 2211122, 102111201, 110111011 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

R. J. Mathar, Table of n, a(n) for n = 1..179

Eric Weisstein: Palindromic Prime.

CROSSREFS

Cf. A029971.

Sequence in context: A075399 A079840 A231278 * A274057 A281135 A173214

Adjacent sequences:  A117695 A117696 A117697 * A117699 A117700 A117701

KEYWORD

nonn,base

AUTHOR

Martin Renner, Apr 13 2006

STATUS

approved

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Last modified January 21 04:53 EST 2020. Contains 331104 sequences. (Running on oeis4.)