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A208362 "2-ply" palindromic primes. 2
11, 101, 131, 151, 181, 191, 313, 353, 373, 383, 727, 757, 787, 797, 919, 929, 10301, 10501, 10601, 11311, 11411, 12421, 12721, 12821, 13331, 13831, 13931, 14341, 14741, 15451, 15551, 16061, 16361, 16561, 16661, 17471, 17971, 18181, 18481, 19391, 19891, 19991, 30103, 30203, 30403, 30703, 30803 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

From the Ribenboim book: palindromic primes whose base 10 length is a palindromic prime whose base 10 length is NOT a palindromic prime.

REFERENCES

Paulo Ribenboim, The New Book of Prime Number Records, Springer-Verlag New York Inc., 1996, pages 160-161.

LINKS

Alvin Hoover Belt, Table of n, a(n) for n = 1..151

EXAMPLE

11 is a palindromic prime of 2 digits, 2 is a palindromic prime of 1 digit, 1 is NOT a palindromic prime.

CROSSREFS

Cf. A002385, A208361 (base-10 length of these numbers), A208363 (palindromic primes with these as the base 10 lengths).

Sequence in context: A113654 A066592 A316604 * A159613 A062332 A222723

Adjacent sequences:  A208359 A208360 A208361 * A208363 A208364 A208365

KEYWORD

nonn,base

AUTHOR

Alvin Hoover Belt, Feb 25 2012

STATUS

approved

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Last modified May 10 05:05 EDT 2021. Contains 343748 sequences. (Running on oeis4.)