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A280876 Palindromic primes with prime subscripts. 1


%S 3,5,11,191,353,797,919,11311,12421,13331,16061,18181,31513,32323,

%T 34543,34843,36563,37273,70207,72727,77377,78787,1117111,1120211,

%U 1253521,1257521,1280821,1328231,1409041,1456541,1633361,1824281,1851581,1903091,1982891,1984891,1998991,3002003,3073703,3211123,3212123,3252523

%N Palindromic primes with prime subscripts.

%C Intersection of A002385 and A006450.

%H Chai Wah Wu, <a href="/A280876/b280876.txt">Table of n, a(n) for n = 1..1000</a>

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/PalindromicPrime.html">Palindromic Prime</a>

%H <a href="/index/Pac#palindromes">Index entries for sequences related to palindromes</a>

%e 11311 is in the sequence because 11311 is a palindrome, 11311 is a 1367-th prime number and 1367 is prime.

%t Select[Prime@ Prime@ Range@ 20000, PalindromeQ] (* modified by _Robert G. Wilson v_, Jan 09 2017 *)

%Y Cf. A000040, A002113, A002385, A006450.

%K nonn,base,easy

%O 1,1

%A _Ilya Gutkovskiy_, Jan 09 2017

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Last modified April 9 20:46 EDT 2020. Contains 333363 sequences. (Running on oeis4.)