

A208362


"2ply" 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
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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, SpringerVerlag New York Inc., 1996, pages 160161.


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 (base10 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



