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%I #16 Dec 31 2019 08:20:18
%S 3,191,383,797,929,10601,11411,12821,13931,15551,16661,19991,30203,
%T 30803,32423,35153,38183,70607,77477,78887,93239,94949,1093901,
%U 1178711,1243421,1281821,1287821,1328231,1363631,1412141,1464641,1490941,1551551
%N Twin palindromic primes (upper terms).
%C Conjecture: sequence is finite. - _Charles R Greathouse IV_, Mar 22 2011
%D Martin Gardner, "The Ambidextrous Universe", Penguin Press, Sec. Ed. 1982, pp. 39-41.
%H Amiram Eldar, <a href="/A032594/b032594.txt">Table of n, a(n) for n = 1..10000</a>
%H Patrick De Geest, <a href="http://www.worldofnumbers.com/palpri.htm">World!Of Palindromic Primes</a>
%Y Cf. A032593.
%K nonn,base
%O 1,1
%A _Patrick De Geest_, May 15 1998
%E Changed offset to 1 by _N. J. A. Sloane_, Feb 15 2015